diff --git a/get.js b/get.js
index aaaba4a..7bafe12 100644
--- a/get.js
+++ b/get.js
@@ -2,6 +2,7 @@
 
 const BB = require('bluebird')
 
+const figgyPudding = require('figgy-pudding')
 const fs = require('fs')
 const index = require('./lib/entry-index')
 const memo = require('./lib/memoization')
@@ -10,6 +11,12 @@ const pipeline = require('mississippi').pipeline
 const read = require('./lib/content/read')
 const through = require('mississippi').through
 
+const GetOpts = figgyPudding({
+  integrity: {},
+  memoize: {},
+  size: {}
+})
+
 module.exports = function get (cache, key, opts) {
   return getData(false, cache, key, opts)
 }
@@ -17,7 +24,7 @@ module.exports.byDigest = function getByDigest (cache, digest, opts) {
   return getData(true, cache, digest, opts)
 }
 function getData (byDigest, cache, key, opts) {
-  opts = opts || {}
+  opts = GetOpts(opts)
   const memoized = (
     byDigest
       ? memo.get.byDigest(cache, key, opts)
@@ -58,7 +65,7 @@ function getData (byDigest, cache, key, opts) {
 
 module.exports.stream = getStream
 function getStream (cache, key, opts) {
-  opts = opts || {}
+  opts = GetOpts(opts)
   let stream = through()
   const memoized = memo.get(cache, key, opts)
   if (memoized && opts.memoize !== false) {
@@ -91,7 +98,6 @@ function getStream (cache, key, opts) {
     } else {
       memoStream = through()
     }
-    opts.size = opts.size == null ? entry.size : opts.size
     stream.emit('metadata', entry.metadata)
     stream.emit('integrity', entry.integrity)
     stream.emit('size', entry.size)
@@ -101,7 +107,9 @@ function getStream (cache, key, opts) {
       ev === 'size' && cb(entry.size)
     })
     pipe(
-      read.readStream(cache, entry.integrity, opts),
+      read.readStream(cache, entry.integrity, opts.concat({
+        size: opts.size == null ? entry.size : opts.size
+      })),
       memoStream,
       stream
     )
@@ -111,7 +119,7 @@ function getStream (cache, key, opts) {
 
 module.exports.stream.byDigest = getStreamDigest
 function getStreamDigest (cache, integrity, opts) {
-  opts = opts || {}
+  opts = GetOpts(opts)
   const memoized = memo.get.byDigest(cache, integrity, opts)
   if (memoized && opts.memoize !== false) {
     const stream = through()
@@ -143,7 +151,7 @@ function getStreamDigest (cache, integrity, opts) {
 
 module.exports.info = info
 function info (cache, key, opts) {
-  opts = opts || {}
+  opts = GetOpts(opts)
   const memoized = memo.get(cache, key, opts)
   if (memoized && opts.memoize !== false) {
     return BB.resolve(memoized.entry)
@@ -161,7 +169,7 @@ module.exports.copy.byDigest = function cpDigest (cache, digest, dest, opts) {
   return copy(true, cache, digest, dest, opts)
 }
 function copy (byDigest, cache, key, dest, opts) {
-  opts = opts || {}
+  opts = GetOpts(opts)
   if (read.copy) {
     return (
       byDigest ? BB.resolve(null) : index.find(cache, key, opts)
diff --git a/lib/content/read.js b/lib/content/read.js
index e92695e..5c1a6f2 100644
--- a/lib/content/read.js
+++ b/lib/content/read.js
@@ -3,6 +3,7 @@
 const BB = require('bluebird')
 
 const contentPath = require('./path')
+const figgyPudding = require('figgy-pudding')
 const fs = require('graceful-fs')
 const PassThrough = require('stream').PassThrough
 const pipe = BB.promisify(require('mississippi').pipe)
@@ -11,9 +12,13 @@ const Y = require('../util/y.js')
 
 BB.promisifyAll(fs)
 
+const ReadOpts = figgyPudding({
+  size: {}
+})
+
 module.exports = read
 function read (cache, integrity, opts) {
-  opts = opts || {}
+  opts = ReadOpts(opts)
   return pickContentSri(cache, integrity).then(content => {
     const sri = content.sri
     const cpath = contentPath(cache, sri)
@@ -32,7 +37,7 @@ function read (cache, integrity, opts) {
 module.exports.stream = readStream
 module.exports.readStream = readStream
 function readStream (cache, integrity, opts) {
-  opts = opts || {}
+  opts = ReadOpts(opts)
   const stream = new PassThrough()
   pickContentSri(
     cache, integrity
@@ -56,7 +61,7 @@ if (fs.copyFile) {
   module.exports.copy = copy
 }
 function copy (cache, integrity, dest, opts) {
-  opts = opts || {}
+  opts = ReadOpts(opts)
   return pickContentSri(cache, integrity).then(content => {
     const sri = content.sri
     const cpath = contentPath(cache, sri)
diff --git a/lib/content/write.js b/lib/content/write.js
index a79ae92..c713634 100644
--- a/lib/content/write.js
+++ b/lib/content/write.js
@@ -28,7 +28,9 @@ function write (cache, data, opts) {
   if (typeof opts.size === 'number' && data.length !== opts.size) {
     return BB.reject(sizeError(opts.size, data.length))
   }
-  const sri = ssri.fromData(data, opts)
+  const sri = ssri.fromData(data, {
+    algorithms: opts.algorithms
+  })
   if (opts.integrity && !ssri.checkData(data, opts.integrity, opts)) {
     return BB.reject(checksumError(opts.integrity, sri))
   }
diff --git a/lib/entry-index.js b/lib/entry-index.js
index f8901d5..43fa7b9 100644
--- a/lib/entry-index.js
+++ b/lib/entry-index.js
@@ -4,6 +4,7 @@ const BB = require('bluebird')
 
 const contentPath = require('./content/path')
 const crypto = require('crypto')
+const figgyPudding = require('figgy-pudding')
 const fixOwner = require('./util/fix-owner')
 const fs = require('graceful-fs')
 const hashToSegments = require('./util/hash-to-segments')
@@ -29,9 +30,16 @@ module.exports.NotFoundError = class NotFoundError extends Error {
   }
 }
 
+const IndexOpts = figgyPudding({
+  metadata: {},
+  size: {},
+  uid: {},
+  gid: {}
+})
+
 module.exports.insert = insert
 function insert (cache, key, integrity, opts) {
-  opts = opts || {}
+  opts = IndexOpts(opts)
   const bucket = bucketPath(cache, key)
   const entry = {
     key,
diff --git a/lib/util/tmp.js b/lib/util/tmp.js
index 4fc4512..65fc4b2 100644
--- a/lib/util/tmp.js
+++ b/lib/util/tmp.js
@@ -2,14 +2,21 @@
 
 const BB = require('bluebird')
 
+const figgyPudding = require('figgy-pudding')
 const fixOwner = require('./fix-owner')
 const path = require('path')
 const rimraf = BB.promisify(require('rimraf'))
 const uniqueFilename = require('unique-filename')
 
+const TmpOpts = figgyPudding({
+  tmpPrefix: {},
+  uid: {},
+  gid: {}
+})
+
 module.exports.mkdir = mktmpdir
 function mktmpdir (cache, opts) {
-  opts = opts || {}
+  opts = TmpOpts(opts)
   const tmpTarget = uniqueFilename(path.join(cache, 'tmp'), opts.tmpPrefix)
   return fixOwner.mkdirfix(tmpTarget, opts.uid, opts.gid).then(() => {
     return tmpTarget
@@ -22,11 +29,12 @@ function withTmp (cache, opts, cb) {
     cb = opts
     opts = null
   }
-  opts = opts || {}
+  opts = TmpOpts(opts)
   return BB.using(mktmpdir(cache, opts).disposer(rimraf), cb)
 }
 
 module.exports.fix = fixtmpdir
 function fixtmpdir (cache, opts) {
+  opts = TmpOpts(opts)
   return fixOwner(path.join(cache, 'tmp'), opts.uid, opts.gid)
 }
diff --git a/lib/verify.js b/lib/verify.js
index 6a01004..80d59bd 100644
--- a/lib/verify.js
+++ b/lib/verify.js
@@ -3,6 +3,7 @@
 const BB = require('bluebird')
 
 const contentPath = require('./content/path')
+const figgyPudding = require('figgy-pudding')
 const finished = BB.promisify(require('mississippi').finished)
 const fixOwner = require('./util/fix-owner')
 const fs = require('graceful-fs')
@@ -14,10 +15,22 @@ const ssri = require('ssri')
 
 BB.promisifyAll(fs)
 
+const VerifyOpts = figgyPudding({
+  concurrency: {
+    default: 20
+  },
+  filter: {},
+  log: {
+    default: { silly () {} }
+  },
+  uid: {},
+  gid: {}
+})
+
 module.exports = verify
 function verify (cache, opts) {
-  opts = opts || {}
-  opts.log && opts.log.silly('verify', 'verifying cache at', cache)
+  opts = VerifyOpts(opts)
+  opts.log.silly('verify', 'verifying cache at', cache)
   return BB.reduce([
     markStartTime,
     fixPerms,
@@ -40,7 +53,7 @@ function verify (cache, opts) {
     })
   }, {}).tap(stats => {
     stats.runTime.total = stats.endTime - stats.startTime
-    opts.log && opts.log.silly('verify', 'verification finished for', cache, 'in', `${stats.runTime.total}ms`)
+    opts.log.silly('verify', 'verification finished for', cache, 'in', `${stats.runTime.total}ms`)
   })
 }
 
@@ -53,7 +66,7 @@ function markEndTime (cache, opts) {
 }
 
 function fixPerms (cache, opts) {
-  opts.log && opts.log.silly('verify', 'fixing cache permissions')
+  opts.log.silly('verify', 'fixing cache permissions')
   return fixOwner.mkdirfix(cache, opts.uid, opts.gid).then(() => {
     // TODO - fix file permissions too
     return fixOwner.chownr(cache, opts.uid, opts.gid)
@@ -70,11 +83,11 @@ function fixPerms (cache, opts) {
 // 5. If content is not marked as live, rimraf it.
 //
 function garbageCollect (cache, opts) {
-  opts.log && opts.log.silly('verify', 'garbage collecting content')
+  opts.log.silly('verify', 'garbage collecting content')
   const indexStream = index.lsStream(cache)
   const liveContent = new Set()
   indexStream.on('data', entry => {
-    if (opts && opts.filter && !opts.filter(entry)) { return }
+    if (opts.filter && !opts.filter(entry)) { return }
     liveContent.add(entry.integrity.toString())
   })
   return finished(indexStream).then(() => {
@@ -117,7 +130,7 @@ function garbageCollect (cache, opts) {
             })
           })
         }
-      }, {concurrency: opts.concurrency || 20}))
+      }, {concurrency: opts.concurrency}))
     })
   })
 }
@@ -141,7 +154,7 @@ function verifyContent (filepath, sri) {
 }
 
 function rebuildIndex (cache, opts) {
-  opts.log && opts.log.silly('verify', 'rebuilding index')
+  opts.log.silly('verify', 'rebuilding index')
   return index.ls(cache).then(entries => {
     const stats = {
       missingContent: 0,
@@ -153,7 +166,7 @@ function rebuildIndex (cache, opts) {
       if (entries.hasOwnProperty(k)) {
         const hashed = index._hashKey(k)
         const entry = entries[k]
-        const excluded = opts && opts.filter && !opts.filter(entry)
+        const excluded = opts.filter && !opts.filter(entry)
         excluded && stats.rejectedEntries++
         if (buckets[hashed] && !excluded) {
           buckets[hashed].push(entry)
@@ -170,7 +183,7 @@ function rebuildIndex (cache, opts) {
     }
     return BB.map(Object.keys(buckets), key => {
       return rebuildBucket(cache, buckets[key], stats, opts)
-    }, {concurrency: opts.concurrency || 20}).then(() => stats)
+    }, {concurrency: opts.concurrency}).then(() => stats)
   })
 }
 
@@ -195,13 +208,13 @@ function rebuildBucket (cache, bucket, stats, opts) {
 }
 
 function cleanTmp (cache, opts) {
-  opts.log && opts.log.silly('verify', 'cleaning tmp directory')
+  opts.log.silly('verify', 'cleaning tmp directory')
   return rimraf(path.join(cache, 'tmp'))
 }
 
 function writeVerifile (cache, opts) {
   const verifile = path.join(cache, '_lastverified')
-  opts.log && opts.log.silly('verify', 'writing verifile to ' + verifile)
+  opts.log.silly('verify', 'writing verifile to ' + verifile)
   return fs.writeFileAsync(verifile, '' + (+(new Date())))
 }
 
diff --git a/package-lock.json b/package-lock.json
index ef08e0c..c093b13 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
       "integrity": "sha1-r9+UiPsezvyDSPb7IvRk4ypYs2s=",
       "dev": true,
       "requires": {
-        "acorn": "^3.0.4"
+        "acorn": "3.3.0"
       },
       "dependencies": {
         "acorn": {
@@ -43,10 +43,10 @@
       "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
       "dev": true,
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "co": "4.6.0",
+        "fast-deep-equal": "1.1.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
       }
     },
     "ajv-keywords": {
@@ -90,7 +90,7 @@
       "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
       "dev": true,
       "requires": {
-        "color-convert": "^1.9.0"
+        "color-convert": "1.9.1"
       }
     },
     "aproba": {
@@ -104,7 +104,7 @@
       "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
-        "sprintf-js": "~1.0.2"
+        "sprintf-js": "1.0.3"
       }
     },
     "array-find-index": {
@@ -125,8 +125,8 @@
       "integrity": "sha1-GEtI9i2S10UrsxsyMWXH+L0CJm0=",
       "dev": true,
       "requires": {
-        "define-properties": "^1.1.2",
-        "es-abstract": "^1.7.0"
+        "define-properties": "1.1.2",
+        "es-abstract": "1.11.0"
       }
     },
     "array-union": {
@@ -135,7 +135,7 @@
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
       "dev": true,
       "requires": {
-        "array-uniq": "^1.0.1"
+        "array-uniq": "1.0.3"
       }
     },
     "array-uniq": {
@@ -198,9 +198,9 @@
       "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
       "dev": true,
       "requires": {
-        "chalk": "^1.1.3",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.2"
+        "chalk": "1.1.3",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.2"
       },
       "dependencies": {
         "ansi-styles": {
@@ -215,11 +215,11 @@
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
-            "ansi-styles": "^2.2.1",
+            "ansi-styles": "2.2.1",
             "escape-string-regexp": "1.0.5",
             "has-ansi": "2.0.0",
             "strip-ansi": "3.0.1",
-            "supports-color": "^2.0.0"
+            "supports-color": "2.0.0"
           }
         },
         "supports-color": {
@@ -242,7 +242,7 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "tweetnacl": "~0.14.0"
+        "tweetnacl": "0.14.5"
       }
     },
     "benchmark": {
@@ -272,7 +272,7 @@
       "integrity": "sha1-T4owBctKfjiJ90kDD9JbluAdLjE=",
       "dev": true,
       "requires": {
-        "hoek": "4.x.x"
+        "hoek": "4.2.1"
       }
     },
     "brace-expansion": {
@@ -307,7 +307,7 @@
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
       "dev": true,
       "requires": {
-        "callsites": "^0.2.0"
+        "callsites": "0.2.0"
       }
     },
     "callsites": {
@@ -355,9 +355,9 @@
       "integrity": "sha512-ZM4j2/ld/YZDc3Ma8PgN7gyAk+kHMMMyzLNryCPGhWrsfAuDVeuid5bpRFTDgMH9JBK2lA4dyyAkkZYF/WcqDQ==",
       "dev": true,
       "requires": {
-        "ansi-styles": "^3.2.1",
+        "ansi-styles": "3.2.1",
         "escape-string-regexp": "1.0.5",
-        "supports-color": "^5.3.0"
+        "supports-color": "5.3.0"
       }
     },
     "chardet": {
@@ -389,7 +389,7 @@
       "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
       "dev": true,
       "requires": {
-        "restore-cursor": "^2.0.0"
+        "restore-cursor": "2.0.0"
       }
     },
     "cli-width": {
@@ -437,7 +437,7 @@
       "integrity": "sha512-mjGanIiwQJskCC18rPR6OmrZ6fm2Lc7PeGFYwCmy5J34wC6F1PzdGL6xeMfmgicfYcNLGuVFA3WzXtIDCQSZxQ==",
       "dev": true,
       "requires": {
-        "color-name": "^1.1.1"
+        "color-name": "1.1.3"
       }
     },
     "color-name": {
@@ -458,7 +458,7 @@
       "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
       "dev": true,
       "requires": {
-        "delayed-stream": "~1.0.0"
+        "delayed-stream": "1.0.0"
       }
     },
     "compare-func": {
@@ -709,11 +709,11 @@
       "integrity": "sha512-ZppXR9y5PraUOrf/DzHJY6gzNUhXYE3b9D43xEXs4QYZ7/Oe0Gy0CS+IPKWFfvQFXB3RG9QduaQUFehzSpGAFw==",
       "dev": true,
       "requires": {
-        "js-yaml": "^3.9.1",
-        "lcov-parse": "^0.0.10",
-        "log-driver": "^1.2.5",
-        "minimist": "^1.2.0",
-        "request": "^2.79.0"
+        "js-yaml": "3.11.0",
+        "lcov-parse": "0.0.10",
+        "log-driver": "1.2.7",
+        "minimist": "1.2.0",
+        "request": "2.85.0"
       },
       "dependencies": {
         "minimist": {
@@ -731,7 +731,7 @@
       "dev": true,
       "requires": {
         "cross-spawn": "5.1.0",
-        "is-windows": "^1.0.0"
+        "is-windows": "1.0.2"
       }
     },
     "cross-spawn": {
@@ -751,7 +751,7 @@
       "integrity": "sha1-qJ+7Ig9c4l7FboxKqKT9e1sNKf4=",
       "dev": true,
       "requires": {
-        "boom": "5.x.x"
+        "boom": "5.2.0"
       },
       "dependencies": {
         "boom": {
@@ -760,7 +760,7 @@
           "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
           "dev": true,
           "requires": {
-            "hoek": "4.x.x"
+            "hoek": "4.2.1"
           }
         }
       }
@@ -794,7 +794,7 @@
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "dev": true,
       "requires": {
-        "assert-plus": "^1.0.0"
+        "assert-plus": "1.0.0"
       }
     },
     "dateformat": {
@@ -848,8 +848,8 @@
       "integrity": "sha1-g6c/L+pWmJj7c3GTyPhzyvbUXJQ=",
       "dev": true,
       "requires": {
-        "foreach": "^2.0.5",
-        "object-keys": "^1.0.8"
+        "foreach": "2.0.5",
+        "object-keys": "1.0.11"
       }
     },
     "deglob": {
@@ -858,12 +858,12 @@
       "integrity": "sha1-TUSr4W7zLHebSXK9FBqAMlApoUo=",
       "dev": true,
       "requires": {
-        "find-root": "^1.0.0",
+        "find-root": "1.1.0",
         "glob": "7.1.2",
-        "ignore": "^3.3.3",
-        "pkg-config": "^1.1.0",
-        "run-parallel": "^1.1.2",
-        "uniq": "^1.0.1"
+        "ignore": "3.3.7",
+        "pkg-config": "1.1.1",
+        "run-parallel": "1.1.8",
+        "uniq": "1.0.1"
       }
     },
     "del": {
@@ -872,9 +872,9 @@
       "integrity": "sha1-wSyYHQZ4RshLyvhiz/kw2Qf/0ag=",
       "dev": true,
       "requires": {
-        "globby": "^5.0.0",
-        "is-path-cwd": "^1.0.0",
-        "is-path-in-cwd": "^1.0.0",
+        "globby": "5.0.0",
+        "is-path-cwd": "1.0.0",
+        "is-path-in-cwd": "1.0.1",
         "object-assign": "4.1.1",
         "pify": "2.3.0",
         "pinkie-promise": "2.0.1",
@@ -899,7 +899,7 @@
       "integrity": "sha512-35mSku4ZXK0vfCuHEDAwt55dg2jNajHZ1odvF+8SSr82EsZY4QmXfuWso8oEd8zRhVObSN18aM0CjSdoBX7zIw==",
       "dev": true,
       "requires": {
-        "esutils": "^2.0.2"
+        "esutils": "2.0.2"
       }
     },
     "dot-prop": {
@@ -950,7 +950,7 @@
       "dev": true,
       "optional": true,
       "requires": {
-        "jsbn": "~0.1.0"
+        "jsbn": "0.1.1"
       }
     },
     "encoding": {
@@ -959,7 +959,7 @@
       "integrity": "sha1-U4tm8+5izRq1HsMjgp0flIDHS+s=",
       "dev": true,
       "requires": {
-        "iconv-lite": "^0.4.17"
+        "iconv-lite": "0.4.21"
       }
     },
     "end-of-stream": {
@@ -985,11 +985,11 @@
       "integrity": "sha512-ZnQrE/lXTTQ39ulXZ+J1DTFazV9qBy61x2bY071B+qGco8Z8q1QddsLdt/EF8Ai9hcWH72dWS0kFqXLxOxqslA==",
       "dev": true,
       "requires": {
-        "es-to-primitive": "^1.1.1",
-        "function-bind": "^1.0.2",
-        "has": "^1.0.1",
-        "is-callable": "^1.1.3",
-        "is-regex": "^1.0.4"
+        "es-to-primitive": "1.1.1",
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     "loud-rejection": {
@@ -2336,7 +2341,7 @@
       "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
       "dev": true,
       "requires": {
-        "mime-db": "~1.33.0"
+        "mime-db": "1.33.0"
       }
     },
     "mimic-fn": {
@@ -2366,7 +2371,7 @@
       "dev": true,
       "requires": {
         "safe-buffer": "5.1.1",
-        "yallist": "^3.0.0"
+        "yallist": "3.0.2"
       },
       "dependencies": {
         "yallist": {
@@ -2445,7 +2450,7 @@
       "integrity": "sha512-NhZ4CsKx7cYm2vSrBAr2PvFOe6sWDf0UYLRqA6svUYg7+/TSfVAu49jYC4BvQ4Sms9SZgdqGBgroqfDhJdTyKQ==",
       "dev": true,
       "requires": {
-        "encoding": "^0.1.11",
+        "encoding": "0.1.12",
         "is-stream": "1.1.0"
       }
     },
@@ -2488,33 +2493,33 @@
       "integrity": "sha512-ZaXCh0wmbk2aSBH2B5hZGGvK2s9aM8DIm2rVY+BG3Fx8tUS+bpJSswUVZqOD1YfCmnYRFSqgYJSr7UeeUcW0jg==",
       "dev": true,
       "requires": {
-        "archy": "^1.0.0",
-        "arrify": "^1.0.1",
-        "caching-transform": "^1.0.0",
-        "convert-source-map": "^1.5.1",
-        "debug-log": "^1.0.1",
-        "default-require-extensions": "^1.0.0",
-        "find-cache-dir": "^0.1.1",
-        "find-up": "^2.1.0",
-        "foreground-child": "^1.5.3",
-        "glob": "^7.0.6",
-        "istanbul-lib-coverage": "^1.1.2",
-        "istanbul-lib-hook": "^1.1.0",
-        "istanbul-lib-instrument": "^1.10.0",
-        "istanbul-lib-report": "^1.1.3",
-        "istanbul-lib-source-maps": "^1.2.3",
-        "istanbul-reports": "^1.1.4",
-        "md5-hex": "^1.2.0",
-        "merge-source-map": "^1.0.2",
-        "micromatch": "^2.3.11",
-        "mkdirp": "^0.5.0",
-        "resolve-from": "^2.0.0",
-        "rimraf": "^2.5.4",
-        "signal-exit": "^3.0.1",
-        "spawn-wrap": "^1.4.2",
-        "test-exclude": "^4.2.0",
+        "archy": "1.0.0",
+        "arrify": "1.0.1",
+        "caching-transform": "1.0.1",
+        "convert-source-map": "1.5.1",
+        "debug-log": "1.0.1",
+        "default-require-extensions": "1.0.0",
+        "find-cache-dir": "0.1.1",
+        "find-up": "2.1.0",
+        "foreground-child": "1.5.6",
+        "glob": "7.1.2",
+        "istanbul-lib-coverage": "1.2.0",
+        "istanbul-lib-hook": "1.1.0",
+        "istanbul-lib-instrument": "1.10.1",
+        "istanbul-lib-report": "1.1.3",
+        "istanbul-lib-source-maps": "1.2.3",
+        "istanbul-reports": "1.3.0",
+        "md5-hex": "1.3.0",
+        "merge-source-map": "1.1.0",
+        "micromatch": "2.3.11",
+        "mkdirp": "0.5.1",
+        "resolve-from": "2.0.0",
+        "rimraf": "2.6.2",
+        "signal-exit": "3.0.2",
+        "spawn-wrap": "1.4.2",
+        "test-exclude": "4.2.1",
         "yargs": "11.1.0",
-        "yargs-parser": "^8.0.0"
+        "yargs-parser": "8.1.0"
       },
       "dependencies": {
         "align-text": {
@@ -2522,9 +2527,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "^3.0.2",
-            "longest": "^1.0.1",
-            "repeat-string": "^1.5.2"
+            "kind-of": "3.2.2",
+            "longest": "1.0.1",
+            "repeat-string": "1.6.1"
           }
         },
         "amdefine": {
@@ -2547,7 +2552,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "default-require-extensions": "^1.0.0"
+            "default-require-extensions": "1.0.0"
           }
         },
         "archy": {
@@ -2560,7 +2565,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arr-flatten": "^1.0.1"
+            "arr-flatten": "1.1.0"
           }
         },
         "arr-flatten": {
@@ -2603,9 +2608,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "chalk": "^1.1.3",
-            "esutils": "^2.0.2",
-            "js-tokens": "^3.0.2"
+            "chalk": "1.1.3",
+            "esutils": "2.0.2",
+            "js-tokens": "3.0.2"
           }
         },
         "babel-generator": {
@@ -2613,14 +2618,14 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-messages": "^6.23.0",
-            "babel-runtime": "^6.26.0",
-            "babel-types": "^6.18.0",
-            "detect-indent": "^4.0.0",
-            "jsesc": "^1.3.0",
-            "lodash": "^4.17.4",
-            "source-map": "^0.5.7",
-            "trim-right": "^1.0.1"
+            "babel-messages": "6.23.0",
+            "babel-runtime": "6.26.0",
+            "babel-types": "6.26.0",
+            "detect-indent": "4.0.0",
+            "jsesc": "1.3.0",
+            "lodash": "4.17.5",
+            "source-map": "0.5.7",
+            "trim-right": "1.0.1"
           }
         },
         "babel-messages": {
@@ -2628,7 +2633,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "^6.26.0"
+            "babel-runtime": "6.26.0"
           }
         },
         "babel-runtime": {
@@ -2636,8 +2641,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "core-js": "^2.4.0",
-            "regenerator-runtime": "^0.11.0"
+            "core-js": "2.5.3",
+            "regenerator-runtime": "0.11.1"
           }
         },
         "babel-template": {
@@ -2645,11 +2650,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "^6.26.0",
-            "babel-traverse": "^6.18.0",
-            "babel-types": "^6.18.0",
-            "babylon": "^6.18.0",
-            "lodash": "^4.17.4"
+            "babel-runtime": "6.26.0",
+            "babel-traverse": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "lodash": "4.17.5"
           }
         },
         "babel-traverse": {
@@ -2657,15 +2662,15 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-code-frame": "^6.26.0",
-            "babel-messages": "^6.23.0",
-            "babel-runtime": "^6.26.0",
-            "babel-types": "^6.18.0",
-            "babylon": "^6.18.0",
-            "debug": "^2.6.8",
-            "globals": "^9.18.0",
-            "invariant": "^2.2.2",
-            "lodash": "^4.17.4"
+            "babel-code-frame": "6.26.0",
+            "babel-messages": "6.23.0",
+            "babel-runtime": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "debug": "2.6.9",
+            "globals": "9.18.0",
+            "invariant": "2.2.3",
+            "lodash": "4.17.5"
           }
         },
         "babel-types": {
@@ -2673,10 +2678,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-runtime": "^6.26.0",
-            "esutils": "^2.0.2",
-            "lodash": "^4.17.4",
-            "to-fast-properties": "^1.0.3"
+            "babel-runtime": "6.26.0",
+            "esutils": "2.0.2",
+            "lodash": "4.17.5",
+            "to-fast-properties": "1.0.3"
           }
         },
         "babylon": {
@@ -2694,13 +2699,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cache-base": "^1.0.1",
-            "class-utils": "^0.3.5",
-            "component-emitter": "^1.2.1",
-            "define-property": "^1.0.0",
-            "isobject": "^3.0.1",
-            "mixin-deep": "^1.2.0",
-            "pascalcase": "^0.1.1"
+            "cache-base": "1.0.1",
+            "class-utils": "0.3.6",
+            "component-emitter": "1.2.1",
+            "define-property": "1.0.0",
+            "isobject": "3.0.1",
+            "mixin-deep": "1.3.1",
+            "pascalcase": "0.1.1"
           },
           "dependencies": {
             "define-property": {
@@ -2708,7 +2713,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-descriptor": "^1.0.0"
+                "is-descriptor": "1.0.2"
               }
             },
             "isobject": {
@@ -2723,7 +2728,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "balanced-match": "^1.0.0",
+            "balanced-match": "1.0.0",
             "concat-map": "0.0.1"
           }
         },
@@ -2732,9 +2737,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "expand-range": "^1.8.1",
-            "preserve": "^0.2.0",
-            "repeat-element": "^1.1.2"
+            "expand-range": "1.8.2",
+            "preserve": "0.2.0",
+            "repeat-element": "1.1.2"
           }
         },
         "builtin-modules": {
@@ -2747,15 +2752,15 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "collection-visit": "^1.0.0",
-            "component-emitter": "^1.2.1",
-            "get-value": "^2.0.6",
-            "has-value": "^1.0.0",
-            "isobject": "^3.0.1",
-            "set-value": "^2.0.0",
-            "to-object-path": "^0.3.0",
-            "union-value": "^1.0.0",
-            "unset-value": "^1.0.0"
+            "collection-visit": "1.0.0",
+            "component-emitter": "1.2.1",
+            "get-value": "2.0.6",
+            "has-value": "1.0.0",
+            "isobject": "3.0.1",
+            "set-value": "2.0.0",
+            "to-object-path": "0.3.0",
+            "union-value": "1.0.0",
+            "unset-value": "1.0.0"
           },
           "dependencies": {
             "isobject": {
@@ -2770,9 +2775,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "md5-hex": "^1.2.0",
-            "mkdirp": "^0.5.0",
-            "write-file-atomic": "^1.1.4"
+            "md5-hex": "1.3.0",
+            "mkdirp": "0.5.1",
+            "write-file-atomic": "1.3.4"
           }
         },
         "camelcase": {
@@ -2787,8 +2792,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "align-text": "^0.1.3",
-            "lazy-cache": "^1.0.3"
+            "align-text": "0.1.4",
+            "lazy-cache": "1.0.4"
           }
         },
         "chalk": {
@@ -2796,11 +2801,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-styles": "^2.2.1",
-            "escape-string-regexp": "^1.0.2",
-            "has-ansi": "^2.0.0",
-            "strip-ansi": "^3.0.0",
-            "supports-color": "^2.0.0"
+            "ansi-styles": "2.2.1",
+            "escape-string-regexp": "1.0.5",
+            "has-ansi": "2.0.0",
+            "strip-ansi": "3.0.1",
+            "supports-color": "2.0.0"
           }
         },
         "class-utils": {
@@ -2808,10 +2813,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arr-union": "^3.1.0",
-            "define-property": "^0.2.5",
-            "isobject": "^3.0.0",
-            "static-extend": "^0.1.1"
+            "arr-union": "3.1.0",
+            "define-property": "0.2.5",
+            "isobject": "3.0.1",
+            "static-extend": "0.1.2"
           },
           "dependencies": {
             "define-property": {
@@ -2819,7 +2824,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-descriptor": "^0.1.0"
+                "is-descriptor": "0.1.6"
               }
             },
             "is-accessor-descriptor": {
@@ -2827,7 +2832,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -2835,7 +2840,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -2845,7 +2850,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -2853,7 +2858,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -2863,9 +2868,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-accessor-descriptor": "^0.1.6",
-                "is-data-descriptor": "^0.1.4",
-                "kind-of": "^5.0.0"
+                "is-accessor-descriptor": "0.1.6",
+                "is-data-descriptor": "0.1.4",
+                "kind-of": "5.1.0"
               }
             },
             "isobject": {
@@ -2886,8 +2891,8 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "center-align": "^0.1.1",
-            "right-align": "^0.1.1",
+            "center-align": "0.1.3",
+            "right-align": "0.1.3",
             "wordwrap": "0.0.2"
           },
           "dependencies": {
@@ -2909,8 +2914,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "map-visit": "^1.0.0",
-            "object-visit": "^1.0.0"
+            "map-visit": "1.0.0",
+            "object-visit": "1.0.1"
           }
         },
         "commondir": {
@@ -2948,8 +2953,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "lru-cache": "^4.0.1",
-            "which": "^1.2.9"
+            "lru-cache": "4.1.2",
+            "which": "1.3.0"
           }
         },
         "debug": {
@@ -2980,7 +2985,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "strip-bom": "^2.0.0"
+            "strip-bom": "2.0.0"
           }
         },
         "define-property": {
@@ -2988,8 +2993,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-descriptor": "^1.0.0",
-            "isobject": "^3.0.1"
+            "is-descriptor": "1.0.2",
+            "isobject": "3.0.1"
           },
           "dependencies": {
             "isobject": {
@@ -3004,7 +3009,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "repeating": "^2.0.0"
+            "repeating": "2.0.1"
           }
         },
         "error-ex": {
@@ -3012,7 +3017,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-arrayish": "^0.2.1"
+            "is-arrayish": "0.2.1"
           }
         },
         "escape-string-regexp": {
@@ -3030,13 +3035,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cross-spawn": "^5.0.1",
-            "get-stream": "^3.0.0",
-            "is-stream": "^1.1.0",
-            "npm-run-path": "^2.0.0",
-            "p-finally": "^1.0.0",
-            "signal-exit": "^3.0.1",
-            "strip-eof": "^1.0.0"
+            "cross-spawn": "5.1.0",
+            "get-stream": "3.0.0",
+            "is-stream": "1.1.0",
+            "npm-run-path": "2.0.2",
+            "p-finally": "1.0.0",
+            "signal-exit": "3.0.2",
+            "strip-eof": "1.0.0"
           },
           "dependencies": {
             "cross-spawn": {
@@ -3044,9 +3049,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "lru-cache": "^4.0.1",
-                "shebang-command": "^1.2.0",
-                "which": "^1.2.9"
+                "lru-cache": "4.1.2",
+                "shebang-command": "1.2.0",
+                "which": "1.3.0"
               }
             }
           }
@@ -3056,7 +3061,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-posix-bracket": "^0.1.0"
+            "is-posix-bracket": "0.1.1"
           }
         },
         "expand-range": {
@@ -3064,7 +3069,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fill-range": "^2.1.0"
+            "fill-range": "2.2.3"
           }
         },
         "extend-shallow": {
@@ -3072,8 +3077,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "assign-symbols": "^1.0.0",
-            "is-extendable": "^1.0.1"
+            "assign-symbols": "1.0.0",
+            "is-extendable": "1.0.1"
           },
           "dependencies": {
             "is-extendable": {
@@ -3081,7 +3086,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-plain-object": "^2.0.3"
+                "is-plain-object": "2.0.4"
               }
             }
           }
@@ -3091,7 +3096,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-extglob": "^1.0.0"
+            "is-extglob": "1.0.0"
           }
         },
         "filename-regex": {
@@ -3104,11 +3109,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "^2.1.0",
-            "isobject": "^2.0.0",
-            "randomatic": "^1.1.3",
-            "repeat-element": "^1.1.2",
-            "repeat-string": "^1.5.2"
+            "is-number": "2.1.0",
+            "isobject": "2.1.0",
+            "randomatic": "1.1.7",
+            "repeat-element": "1.1.2",
+            "repeat-string": "1.6.1"
           }
         },
         "find-cache-dir": {
@@ -3116,9 +3121,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "commondir": "^1.0.1",
-            "mkdirp": "^0.5.0",
-            "pkg-dir": "^1.0.0"
+            "commondir": "1.0.1",
+            "mkdirp": "0.5.1",
+            "pkg-dir": "1.0.0"
           }
         },
         "find-up": {
@@ -3126,7 +3131,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "locate-path": "^2.0.0"
+            "locate-path": "2.0.0"
           }
         },
         "for-in": {
@@ -3139,7 +3144,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "for-in": "^1.0.1"
+            "for-in": "1.0.2"
           }
         },
         "foreground-child": {
@@ -3147,8 +3152,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "cross-spawn": "^4",
-            "signal-exit": "^3.0.1"
+            "cross-spawn": "4.0.2",
+            "signal-exit": "3.0.2"
           }
         },
         "fragment-cache": {
@@ -3156,7 +3161,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "map-cache": "^0.2.2"
+            "map-cache": "0.2.2"
           }
         },
         "fs.realpath": {
@@ -3184,12 +3189,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "fs.realpath": "^1.0.0",
-            "inflight": "^1.0.4",
-            "inherits": "2",
-            "minimatch": "^3.0.4",
-            "once": "^1.3.0",
-            "path-is-absolute": "^1.0.0"
+            "fs.realpath": "1.0.0",
+            "inflight": "1.0.6",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4",
+            "once": "1.4.0",
+            "path-is-absolute": "1.0.1"
           }
         },
         "glob-base": {
@@ -3197,8 +3202,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob-parent": "^2.0.0",
-            "is-glob": "^2.0.1"
+            "glob-parent": "2.0.0",
+            "is-glob": "2.0.1"
           }
         },
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@@ -3206,7 +3211,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-glob": "^2.0.1"
+            "is-glob": "2.0.1"
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@@ -3224,10 +3229,10 @@
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-            "async": "^1.4.0",
-            "optimist": "^0.6.1",
-            "source-map": "^0.4.4",
-            "uglify-js": "^2.6"
+            "async": "1.5.2",
+            "optimist": "0.6.1",
+            "source-map": "0.4.4",
+            "uglify-js": "2.8.29"
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@@ -3235,7 +3240,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "amdefine": ">=0.0.4"
+                "amdefine": "1.0.1"
               }
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@@ -3245,7 +3250,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "2.1.1"
           }
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@@ -3258,9 +3263,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "get-value": "^2.0.6",
-            "has-values": "^1.0.0",
-            "isobject": "^3.0.0"
+            "get-value": "2.0.6",
+            "has-values": "1.0.0",
+            "isobject": "3.0.1"
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@@ -3275,8 +3280,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "^3.0.0",
-            "kind-of": "^4.0.0"
+            "is-number": "3.0.0",
+            "kind-of": "4.0.0"
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@@ -3284,7 +3289,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
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@@ -3292,7 +3297,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
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@@ -3302,7 +3307,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-buffer": "^1.1.5"
+                "is-buffer": "1.1.6"
               }
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@@ -3322,8 +3327,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "once": "^1.3.0",
-            "wrappy": "1"
+            "once": "1.4.0",
+            "wrappy": "1.0.2"
           }
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@@ -3336,7 +3341,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "loose-envify": "^1.0.0"
+            "loose-envify": "1.3.1"
           }
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@@ -3349,7 +3354,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "^6.0.0"
+            "kind-of": "6.0.2"
           },
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@@ -3374,7 +3379,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "builtin-modules": "^1.0.0"
+            "builtin-modules": "1.1.1"
           }
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@@ -3382,7 +3387,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "^6.0.0"
+            "kind-of": "6.0.2"
           },
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@@ -3397,9 +3402,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-accessor-descriptor": "^1.0.0",
-            "is-data-descriptor": "^1.0.0",
-            "kind-of": "^6.0.2"
+            "is-accessor-descriptor": "1.0.0",
+            "is-data-descriptor": "1.0.0",
+            "kind-of": "6.0.2"
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@@ -3419,7 +3424,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-primitive": "^2.0.0"
+            "is-primitive": "2.0.0"
           }
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@@ -3437,7 +3442,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "number-is-nan": "^1.0.0"
+            "number-is-nan": "1.0.1"
           }
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         "is-fullwidth-code-point": {
@@ -3450,7 +3455,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-extglob": "^1.0.0"
+            "is-extglob": "1.0.0"
           }
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         "is-number": {
@@ -3458,7 +3463,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "^3.0.2"
+            "kind-of": "3.2.2"
           }
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         "is-odd": {
@@ -3466,7 +3471,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "^4.0.0"
+            "is-number": "4.0.0"
           },
           "dependencies": {
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@@ -3481,7 +3486,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "isobject": "^3.0.1"
+            "isobject": "3.0.1"
           },
           "dependencies": {
             "isobject": {
@@ -3544,7 +3549,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "append-transform": "^0.4.0"
+            "append-transform": "0.4.0"
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         "istanbul-lib-instrument": {
@@ -3552,13 +3557,13 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "babel-generator": "^6.18.0",
-            "babel-template": "^6.16.0",
-            "babel-traverse": "^6.18.0",
-            "babel-types": "^6.18.0",
-            "babylon": "^6.18.0",
-            "istanbul-lib-coverage": "^1.1.2",
-            "semver": "^5.3.0"
+            "babel-generator": "6.26.1",
+            "babel-template": "6.26.0",
+            "babel-traverse": "6.26.0",
+            "babel-types": "6.26.0",
+            "babylon": "6.18.0",
+            "istanbul-lib-coverage": "1.2.0",
+            "semver": "5.5.0"
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@@ -3566,10 +3571,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "istanbul-lib-coverage": "^1.1.2",
-            "mkdirp": "^0.5.0",
-            "path-parse": "^1.0.5",
-            "supports-color": "^3.1.2"
+            "istanbul-lib-coverage": "1.2.0",
+            "mkdirp": "0.5.1",
+            "path-parse": "1.0.5",
+            "supports-color": "3.2.3"
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@@ -3577,7 +3582,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "has-flag": "^1.0.0"
+                "has-flag": "1.0.0"
               }
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@@ -3587,11 +3592,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "debug": "^3.1.0",
-            "istanbul-lib-coverage": "^1.1.2",
-            "mkdirp": "^0.5.0",
-            "rimraf": "^2.5.4",
-            "source-map": "^0.5.7"
+            "debug": "3.1.0",
+            "istanbul-lib-coverage": "1.2.0",
+            "mkdirp": "0.5.1",
+            "rimraf": "2.6.2",
+            "source-map": "0.5.7"
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@@ -3609,7 +3614,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "handlebars": "^4.0.3"
+            "handlebars": "4.0.11"
           }
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         "js-tokens": {
@@ -3627,7 +3632,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-buffer": "^1.1.5"
+            "is-buffer": "1.1.6"
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@@ -3641,7 +3646,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "invert-kv": "^1.0.0"
+            "invert-kv": "1.0.0"
           }
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         "load-json-file": {
@@ -3649,11 +3654,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "^4.1.11",
-            "parse-json": "^2.2.0",
-            "pify": "^2.0.0",
-            "pinkie-promise": "^2.0.0",
-            "strip-bom": "^2.0.0"
+            "graceful-fs": "4.1.11",
+            "parse-json": "2.2.0",
+            "pify": "2.3.0",
+            "pinkie-promise": "2.0.1",
+            "strip-bom": "2.0.0"
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@@ -3661,8 +3666,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-locate": "^2.0.0",
-            "path-exists": "^3.0.0"
+            "p-locate": "2.0.0",
+            "path-exists": "3.0.0"
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             "path-exists": {
@@ -3687,7 +3692,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "js-tokens": "^3.0.2"
+            "js-tokens": "3.0.2"
           }
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@@ -3695,8 +3700,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pseudomap": "^1.0.2",
-            "yallist": "^2.1.2"
+            "pseudomap": "1.0.2",
+            "yallist": "2.1.2"
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         "map-cache": {
@@ -3709,7 +3714,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "object-visit": "^1.0.0"
+            "object-visit": "1.0.1"
           }
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         "md5-hex": {
@@ -3717,7 +3722,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "md5-o-matic": "^0.1.1"
+            "md5-o-matic": "0.1.1"
           }
         },
         "md5-o-matic": {
@@ -3730,7 +3735,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "mimic-fn": "^1.0.0"
+            "mimic-fn": "1.2.0"
           }
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         "merge-source-map": {
@@ -3738,7 +3743,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "source-map": "^0.6.1"
+            "source-map": "0.6.1"
           },
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             "source-map": {
@@ -3753,19 +3758,19 @@
           "bundled": true,
           "dev": true,
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-            "array-unique": "^0.2.1",
-            "braces": "^1.8.2",
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-            "kind-of": "^3.0.2",
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-            "object.omit": "^2.0.0",
-            "parse-glob": "^3.0.4",
-            "regex-cache": "^0.4.2"
+            "arr-diff": "2.0.0",
+            "array-unique": "0.2.1",
+            "braces": "1.8.5",
+            "expand-brackets": "0.1.5",
+            "extglob": "0.3.2",
+            "filename-regex": "2.0.1",
+            "is-extglob": "1.0.0",
+            "is-glob": "2.0.1",
+            "kind-of": "3.2.2",
+            "normalize-path": "2.1.1",
+            "object.omit": "2.0.1",
+            "parse-glob": "3.0.4",
+            "regex-cache": "0.4.4"
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         "mimic-fn": {
@@ -3778,7 +3783,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "brace-expansion": "^1.1.7"
+            "brace-expansion": "1.1.11"
           }
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@@ -3791,8 +3796,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "for-in": "^1.0.1",
-            "is-extendable": "^1.0.1"
+            "for-in": "1.0.2",
+            "is-extendable": "1.0.1"
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@@ -3800,7 +3805,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-plain-object": "^2.0.3"
+                "is-plain-object": "2.0.4"
               }
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@@ -3823,18 +3828,18 @@
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-            "define-property": "^2.0.2",
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-            "is-odd": "^2.0.0",
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-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.1"
+            "arr-diff": "4.0.0",
+            "array-unique": "0.3.2",
+            "define-property": "2.0.2",
+            "extend-shallow": "3.0.2",
+            "fragment-cache": "0.2.1",
+            "is-odd": "2.0.0",
+            "is-windows": "1.0.2",
+            "kind-of": "6.0.2",
+            "object.pick": "1.3.0",
+            "regex-not": "1.0.2",
+            "snapdragon": "0.8.2",
+            "to-regex": "3.0.2"
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@@ -3859,10 +3864,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "hosted-git-info": "^2.1.4",
-            "is-builtin-module": "^1.0.0",
-            "semver": "^5.3.0",
-            "validate-npm-package-license": "^3.0.1"
+            "hosted-git-info": "2.6.0",
+            "is-builtin-module": "1.0.0",
+            "semver": "5.5.0",
+            "validate-npm-package-license": "3.0.3"
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         "normalize-path": {
@@ -3870,7 +3875,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "remove-trailing-separator": "^1.0.1"
+            "remove-trailing-separator": "1.1.0"
           }
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         "npm-run-path": {
@@ -3878,7 +3883,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "path-key": "^2.0.0"
+            "path-key": "2.0.1"
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@@ -3896,9 +3901,9 @@
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           "dev": true,
           "requires": {
-            "copy-descriptor": "^0.1.0",
-            "define-property": "^0.2.5",
-            "kind-of": "^3.0.2"
+            "copy-descriptor": "0.1.1",
+            "define-property": "0.2.5",
+            "kind-of": "3.2.2"
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@@ -3906,7 +3911,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-descriptor": "^0.1.0"
+                "is-descriptor": "0.1.6"
               }
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@@ -3914,7 +3919,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               }
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@@ -3922,7 +3927,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               }
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@@ -3930,9 +3935,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-accessor-descriptor": "^0.1.6",
-                "is-data-descriptor": "^0.1.4",
-                "kind-of": "^5.0.0"
+                "is-accessor-descriptor": "0.1.6",
+                "is-data-descriptor": "0.1.4",
+                "kind-of": "5.1.0"
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                 "kind-of": {
@@ -3949,7 +3954,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "isobject": "^3.0.0"
+            "isobject": "3.0.1"
           },
           "dependencies": {
             "isobject": {
@@ -3964,8 +3969,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "for-own": "^0.1.4",
-            "is-extendable": "^0.1.1"
+            "for-own": "0.1.5",
+            "is-extendable": "0.1.1"
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         "object.pick": {
@@ -3973,7 +3978,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "isobject": "^3.0.1"
+            "isobject": "3.0.1"
           },
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             "isobject": {
@@ -3988,7 +3993,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "wrappy": "1"
+            "wrappy": "1.0.2"
           }
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         "optimist": {
@@ -3997,7 +4002,7 @@
           "dev": true,
           "requires": {
             "minimist": "0.0.8",
-            "wordwrap": "~0.0.2"
+            "wordwrap": "0.0.3"
           }
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         "os-homedir": {
@@ -4010,9 +4015,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "execa": "^0.7.0",
-            "lcid": "^1.0.0",
-            "mem": "^1.1.0"
+            "execa": "0.7.0",
+            "lcid": "1.0.0",
+            "mem": "1.1.0"
           }
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@@ -4025,7 +4030,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-try": "^1.0.0"
+            "p-try": "1.0.0"
           }
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@@ -4033,7 +4038,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "p-limit": "^1.1.0"
+            "p-limit": "1.2.0"
           }
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@@ -4046,10 +4051,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob-base": "^0.3.0",
-            "is-dotfile": "^1.0.0",
-            "is-extglob": "^1.0.0",
-            "is-glob": "^2.0.1"
+            "glob-base": "0.3.0",
+            "is-dotfile": "1.0.3",
+            "is-extglob": "1.0.0",
+            "is-glob": "2.0.1"
           }
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         "parse-json": {
@@ -4057,7 +4062,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "error-ex": "^1.2.0"
+            "error-ex": "1.3.1"
           }
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@@ -4070,7 +4075,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pinkie-promise": "^2.0.0"
+            "pinkie-promise": "2.0.1"
           }
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         "path-is-absolute": {
@@ -4093,9 +4098,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "graceful-fs": "^4.1.11",
-            "pify": "^2.0.0",
-            "pinkie-promise": "^2.0.0"
+            "graceful-fs": "4.1.11",
+            "pify": "2.3.0",
+            "pinkie-promise": "2.0.1"
           }
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         "pify": {
@@ -4113,7 +4118,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "pinkie": "^2.0.0"
+            "pinkie": "2.0.4"
           }
         },
         "pkg-dir": {
@@ -4121,7 +4126,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "find-up": "^1.0.0"
+            "find-up": "1.1.2"
           },
           "dependencies": {
             "find-up": {
@@ -4129,8 +4134,8 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "path-exists": "^2.0.0",
-                "pinkie-promise": "^2.0.0"
+                "path-exists": "2.1.0",
+                "pinkie-promise": "2.0.1"
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@@ -4155,8 +4160,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-number": "^3.0.0",
-            "kind-of": "^4.0.0"
+            "is-number": "3.0.0",
+            "kind-of": "4.0.0"
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@@ -4164,7 +4169,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4172,7 +4177,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4182,7 +4187,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-buffer": "^1.1.5"
+                "is-buffer": "1.1.6"
               }
             }
           }
@@ -4192,9 +4197,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "load-json-file": "^1.0.0",
-            "normalize-package-data": "^2.3.2",
-            "path-type": "^1.0.0"
+            "load-json-file": "1.1.0",
+            "normalize-package-data": "2.4.0",
+            "path-type": "1.1.0"
           }
         },
         "read-pkg-up": {
@@ -4202,8 +4207,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "find-up": "^1.0.0",
-            "read-pkg": "^1.0.0"
+            "find-up": "1.1.2",
+            "read-pkg": "1.1.0"
           },
           "dependencies": {
             "find-up": {
@@ -4211,8 +4216,8 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "path-exists": "^2.0.0",
-                "pinkie-promise": "^2.0.0"
+                "path-exists": "2.1.0",
+                "pinkie-promise": "2.0.1"
               }
             }
           }
@@ -4227,7 +4232,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-equal-shallow": "^0.1.3"
+            "is-equal-shallow": "0.1.3"
           }
         },
         "regex-not": {
@@ -4235,8 +4240,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "extend-shallow": "^3.0.2",
-            "safe-regex": "^1.1.0"
+            "extend-shallow": "3.0.2",
+            "safe-regex": "1.1.0"
           }
         },
         "remove-trailing-separator": {
@@ -4259,7 +4264,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-finite": "^1.0.0"
+            "is-finite": "1.0.2"
           }
         },
         "require-directory": {
@@ -4293,7 +4298,7 @@
           "dev": true,
           "optional": true,
           "requires": {
-            "align-text": "^0.1.3"
+            "align-text": "0.1.4"
           }
         },
         "rimraf": {
@@ -4301,7 +4306,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "glob": "^7.0.6"
+            "glob": "7.1.2"
           }
         },
         "safe-regex": {
@@ -4309,7 +4314,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ret": "~0.1.10"
+            "ret": "0.1.15"
           }
         },
         "semver": {
@@ -4327,10 +4332,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-extendable": "^0.1.1",
-            "is-plain-object": "^2.0.3",
-            "split-string": "^3.0.2"
+            "extend-shallow": "2.0.1",
+            "is-extendable": "0.1.1",
+            "is-plain-object": "2.0.4",
+            "split-string": "3.1.0"
           },
           "dependencies": {
             "extend-shallow": {
@@ -4338,7 +4343,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-extendable": "^0.1.1"
+                "is-extendable": "0.1.1"
               }
             }
           }
@@ -4348,7 +4353,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "shebang-regex": "^1.0.0"
+            "shebang-regex": "1.0.0"
           }
         },
         "shebang-regex": {
@@ -4371,14 +4376,14 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "base": "^0.11.1",
-            "debug": "^2.6.8",
-            "define-property": "^0.2.5",
-            "extend-shallow": "^2.0.1",
-            "map-cache": "^0.2.2",
-            "source-map": "^0.5.7",
-            "source-map-resolve": "^0.5.0",
-            "use": "^3.1.0"
+            "base": "0.11.2",
+            "debug": "2.6.9",
+            "define-property": "0.2.5",
+            "extend-shallow": "2.0.1",
+            "map-cache": "0.2.2",
+            "source-map": "0.5.7",
+            "source-map-resolve": "0.5.1",
+            "use": "3.1.0"
           },
           "dependencies": {
             "define-property": {
@@ -4386,7 +4391,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-descriptor": "^0.1.0"
+                "is-descriptor": "0.1.6"
               }
             },
             "extend-shallow": {
@@ -4394,7 +4399,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-extendable": "^0.1.1"
+                "is-extendable": "0.1.1"
               }
             },
             "is-accessor-descriptor": {
@@ -4402,7 +4407,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4410,7 +4415,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4420,7 +4425,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4428,7 +4433,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4438,9 +4443,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-accessor-descriptor": "^0.1.6",
-                "is-data-descriptor": "^0.1.4",
-                "kind-of": "^5.0.0"
+                "is-accessor-descriptor": "0.1.6",
+                "is-data-descriptor": "0.1.4",
+                "kind-of": "5.1.0"
               }
             },
             "kind-of": {
@@ -4455,9 +4460,9 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "define-property": "^1.0.0",
-            "isobject": "^3.0.0",
-            "snapdragon-util": "^3.0.1"
+            "define-property": "1.0.0",
+            "isobject": "3.0.1",
+            "snapdragon-util": "3.0.1"
           },
           "dependencies": {
             "define-property": {
@@ -4465,7 +4470,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-descriptor": "^1.0.0"
+                "is-descriptor": "1.0.2"
               }
             },
             "isobject": {
@@ -4480,7 +4485,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "^3.0.2"
+            "kind-of": "3.2.2"
           }
         },
         "source-map": {
@@ -4493,11 +4498,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "atob": "^2.0.0",
-            "decode-uri-component": "^0.2.0",
-            "resolve-url": "^0.2.1",
-            "source-map-url": "^0.4.0",
-            "urix": "^0.1.0"
+            "atob": "2.0.3",
+            "decode-uri-component": "0.2.0",
+            "resolve-url": "0.2.1",
+            "source-map-url": "0.4.0",
+            "urix": "0.1.0"
           }
         },
         "source-map-url": {
@@ -4510,12 +4515,12 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "foreground-child": "^1.5.3",
-            "mkdirp": "^0.5.0",
-            "os-homedir": "^1.0.1",
-            "rimraf": "^2.5.4",
-            "signal-exit": "^3.0.1",
-            "which": "^1.2.9"
+            "foreground-child": "1.5.6",
+            "mkdirp": "0.5.1",
+            "os-homedir": "1.0.2",
+            "rimraf": "2.6.2",
+            "signal-exit": "3.0.2",
+            "which": "1.3.0"
           }
         },
         "spdx-correct": {
@@ -4523,8 +4528,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "spdx-expression-parse": "^3.0.0",
-            "spdx-license-ids": "^3.0.0"
+            "spdx-expression-parse": "3.0.0",
+            "spdx-license-ids": "3.0.0"
           }
         },
         "spdx-exceptions": {
@@ -4537,8 +4542,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "spdx-exceptions": "^2.1.0",
-            "spdx-license-ids": "^3.0.0"
+            "spdx-exceptions": "2.1.0",
+            "spdx-license-ids": "3.0.0"
           }
         },
         "spdx-license-ids": {
@@ -4551,7 +4556,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "extend-shallow": "^3.0.2"
+            "extend-shallow": "3.0.2"
           }
         },
         "static-extend": {
@@ -4559,8 +4564,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "define-property": "^0.2.5",
-            "object-copy": "^0.1.0"
+            "define-property": "0.2.5",
+            "object-copy": "0.1.0"
           },
           "dependencies": {
             "define-property": {
@@ -4568,7 +4573,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-descriptor": "^0.1.0"
+                "is-descriptor": "0.1.6"
               }
             },
             "is-accessor-descriptor": {
@@ -4576,7 +4581,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4584,7 +4589,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4594,7 +4599,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4602,7 +4607,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4612,9 +4617,9 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "is-accessor-descriptor": "^0.1.6",
-                "is-data-descriptor": "^0.1.4",
-                "kind-of": "^5.0.0"
+                "is-accessor-descriptor": "0.1.6",
+                "is-data-descriptor": "0.1.4",
+                "kind-of": "5.1.0"
               }
             },
             "kind-of": {
@@ -4629,8 +4634,8 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-fullwidth-code-point": "^2.0.0",
-            "strip-ansi": "^4.0.0"
+            "is-fullwidth-code-point": "2.0.0",
+            "strip-ansi": "4.0.0"
           },
           "dependencies": {
             "ansi-regex": {
@@ -4643,7 +4648,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "ansi-regex": "^3.0.0"
+                "ansi-regex": "3.0.0"
               }
             }
           }
@@ -4653,7 +4658,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "ansi-regex": "2.1.1"
           }
         },
         "strip-bom": {
@@ -4661,7 +4666,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "is-utf8": "^0.2.0"
+            "is-utf8": "0.2.1"
           }
         },
         "strip-eof": {
@@ -4679,11 +4684,11 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "arrify": "^1.0.1",
-            "micromatch": "^3.1.8",
-            "object-assign": "^4.1.0",
-            "read-pkg-up": "^1.0.1",
-            "require-main-filename": "^1.0.1"
+            "arrify": "1.0.1",
+            "micromatch": "3.1.9",
+            "object-assign": "4.1.1",
+            "read-pkg-up": "1.0.1",
+            "require-main-filename": "1.0.1"
           },
           "dependencies": {
             "arr-diff": {
@@ -4701,18 +4706,18 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "arr-flatten": "^1.0.1",
-                "array-unique": "^0.3.2",
-                "define-property": "^1.0.0",
-                "extend-shallow": "^2.0.1",
-                "fill-range": "^4.0.0",
-                "isobject": "^3.0.1",
-                "kind-of": "^6.0.2",
-                "repeat-element": "^1.1.2",
-                "snapdragon": "^0.8.1",
-                "snapdragon-node": "^2.0.1",
-                "split-string": "^3.0.2",
-                "to-regex": "^3.0.1"
+                "arr-flatten": "1.1.0",
+                "array-unique": "0.3.2",
+                "define-property": "1.0.0",
+                "extend-shallow": "2.0.1",
+                "fill-range": "4.0.0",
+                "isobject": "3.0.1",
+                "kind-of": "6.0.2",
+                "repeat-element": "1.1.2",
+                "snapdragon": "0.8.2",
+                "snapdragon-node": "2.1.1",
+                "split-string": "3.1.0",
+                "to-regex": "3.0.2"
               },
               "dependencies": {
                 "define-property": {
@@ -4720,7 +4725,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-descriptor": "^1.0.0"
+                    "is-descriptor": "1.0.2"
                   }
                 },
                 "extend-shallow": {
@@ -4728,7 +4733,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-extendable": "^0.1.1"
+                    "is-extendable": "0.1.1"
                   }
                 }
               }
@@ -4738,13 +4743,13 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "debug": "^2.6.8",
-                "define-property": "^0.2.5",
-                "extend-shallow": "^2.0.1",
-                "posix-character-classes": "^0.1.0",
-                "regex-not": "^1.0.0",
-                "snapdragon": "^0.8.1",
-                "to-regex": "^3.0.1"
+                "debug": "2.6.9",
+                "define-property": "0.2.5",
+                "extend-shallow": "2.0.1",
+                "posix-character-classes": "0.1.1",
+                "regex-not": "1.0.2",
+                "snapdragon": "0.8.2",
+                "to-regex": "3.0.2"
               },
               "dependencies": {
                 "define-property": {
@@ -4752,7 +4757,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-descriptor": "^0.1.0"
+                    "is-descriptor": "0.1.6"
                   }
                 },
                 "extend-shallow": {
@@ -4760,7 +4765,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-extendable": "^0.1.1"
+                    "is-extendable": "0.1.1"
                   }
                 },
                 "is-descriptor": {
@@ -4768,9 +4773,9 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-accessor-descriptor": "^0.1.6",
-                    "is-data-descriptor": "^0.1.4",
-                    "kind-of": "^5.0.0"
+                    "is-accessor-descriptor": "0.1.6",
+                    "is-data-descriptor": "0.1.4",
+                    "kind-of": "5.1.0"
                   }
                 },
                 "kind-of": {
@@ -4785,14 +4790,14 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "array-unique": "^0.3.2",
-                "define-property": "^1.0.0",
-                "expand-brackets": "^2.1.4",
-                "extend-shallow": "^2.0.1",
-                "fragment-cache": "^0.2.1",
-                "regex-not": "^1.0.0",
-                "snapdragon": "^0.8.1",
-                "to-regex": "^3.0.1"
+                "array-unique": "0.3.2",
+                "define-property": "1.0.0",
+                "expand-brackets": "2.1.4",
+                "extend-shallow": "2.0.1",
+                "fragment-cache": "0.2.1",
+                "regex-not": "1.0.2",
+                "snapdragon": "0.8.2",
+                "to-regex": "3.0.2"
               },
               "dependencies": {
                 "define-property": {
@@ -4800,7 +4805,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-descriptor": "^1.0.0"
+                    "is-descriptor": "1.0.2"
                   }
                 },
                 "extend-shallow": {
@@ -4808,7 +4813,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-extendable": "^0.1.1"
+                    "is-extendable": "0.1.1"
                   }
                 }
               }
@@ -4818,10 +4823,10 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "extend-shallow": "^2.0.1",
-                "is-number": "^3.0.0",
-                "repeat-string": "^1.5.2",
-                "to-regex-range": "^2.1.0"
+                "extend-shallow": "2.0.1",
+                "is-number": "3.0.0",
+                "repeat-string": "1.6.1",
+                "to-regex-range": "2.1.1"
               },
               "dependencies": {
                 "extend-shallow": {
@@ -4829,7 +4834,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-extendable": "^0.1.1"
+                    "is-extendable": "0.1.1"
                   }
                 }
               }
@@ -4839,7 +4844,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4847,7 +4852,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4857,7 +4862,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4865,7 +4870,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4875,7 +4880,7 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "kind-of": "^3.0.2"
+                "kind-of": "3.2.2"
               },
               "dependencies": {
                 "kind-of": {
@@ -4883,7 +4888,7 @@
                   "bundled": true,
                   "dev": true,
                   "requires": {
-                    "is-buffer": "^1.1.5"
+                    "is-buffer": "1.1.6"
                   }
                 }
               }
@@ -4903,19 +4908,19 @@
               "bundled": true,
               "dev": true,
               "requires": {
-                "arr-diff": "^4.0.0",
-                "array-unique": "^0.3.2",
-                "braces": "^2.3.1",
-                "define-property": "^2.0.2",
-                "extend-shallow": "^3.0.2",
-                "extglob": "^2.0.4",
-                "fragment-cache": "^0.2.1",
-                "kind-of": "^6.0.2",
-                "nanomatch": "^1.2.9",
-                "object.pick": "^1.3.0",
-                "regex-not": "^1.0.0",
-                "snapdragon": "^0.8.1",
-                "to-regex": "^3.0.1"
+                "arr-diff": "4.0.0",
+                "array-unique": "0.3.2",
+                "braces": "2.3.1",
+                "define-property": "2.0.2",
+                "extend-shallow": "3.0.2",
+                "extglob": "2.0.4",
+                "fragment-cache": "0.2.1",
+                "kind-of": "6.0.2",
+                "nanomatch": "1.2.9",
+                "object.pick": "1.3.0",
+                "regex-not": "1.0.2",
+                "snapdragon": "0.8.2",
+                "to-regex": "3.0.2"
               }
             }
           }
@@ -4930,7 +4935,7 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "kind-of": "^3.0.2"
+            "kind-of": "3.2.2"
           }
         },
         "to-regex": {
@@ -4938,10 +4943,10 @@
           "bundled": true,
           "dev": true,
           "requires": {
-            "define-property": "^2.0.2",
-            "extend-shallow": "^3.0.2",
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@@ -5139,7 +5144,7 @@
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@@ -5223,7 +5228,7 @@
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-        "type-check": "~0.3.2",
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-        "jsbn": "~0.1.0",
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-        "standard-engine": "~8.0.0"
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+        "eslint-plugin-promise": "3.7.0",
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@@ -6447,7 +6452,7 @@
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-        "color-support": "^1.1.0",
-        "coveralls": "^3.0.0",
-        "foreground-child": "^1.3.3",
-        "fs-exists-cached": "^1.0.0",
-        "function-loop": "^1.0.1",
+        "clean-yaml-object": "0.1.0",
+        "color-support": "1.1.3",
+        "coveralls": "3.0.0",
+        "foreground-child": "1.5.6",
+        "fs-exists-cached": "1.0.0",
+        "function-loop": "1.0.1",
         "glob": "7.1.2",
         "isexe": "2.0.0",
-        "js-yaml": "^3.9.1",
-        "minipass": "^2.2.1",
+        "js-yaml": "3.11.0",
+        "minipass": "2.2.4",
         "mkdirp": "0.5.1",
         "nyc": "11.6.0",
-        "opener": "^1.4.1",
-        "os-homedir": "^1.0.2",
-        "own-or": "^1.0.0",
-        "own-or-env": "^1.0.1",
+        "opener": "1.4.3",
+        "os-homedir": "1.0.2",
+        "own-or": "1.0.0",
+        "own-or-env": "1.0.1",
         "rimraf": "2.6.2",
         "signal-exit": "3.0.2",
-        "source-map-support": "^0.5.4",
-        "stack-utils": "^1.0.0",
-        "tap-mocha-reporter": "^3.0.7",
-        "tap-parser": "^7.0.0",
-        "tmatch": "^3.1.0",
-        "trivial-deferred": "^1.0.1",
-        "tsame": "^1.1.2",
-        "write-file-atomic": "^2.3.0",
-        "yapool": "^1.0.0"
+        "source-map-support": "0.5.4",
+        "stack-utils": "1.0.1",
+        "tap-mocha-reporter": "3.0.7",
+        "tap-parser": "7.0.0",
+        "tmatch": "3.1.0",
+        "trivial-deferred": "1.0.1",
+        "tsame": "1.1.2",
+        "write-file-atomic": "2.3.0",
+        "yapool": "1.0.0"
       }
     },
     "tap-mocha-reporter": {
@@ -6549,15 +6554,15 @@
       "integrity": "sha512-GHVXJ38C3oPRpM3YUc43JlGdpVZYiKeT1fmAd3HH2+J+ZWwsNAUFvRRdoGsXLw9+gU9o+zXpBqhS/oXyRQYwlA==",
       "dev": true,
       "requires": {
-        "color-support": "^1.1.0",
-        "debug": "^2.1.3",
-        "diff": "^1.3.2",
+        "color-support": "1.1.3",
+        "debug": "2.6.9",
+        "diff": "1.4.0",
         "escape-string-regexp": "1.0.5",
         "glob": "7.1.2",
-        "js-yaml": "^3.9.1",
+        "js-yaml": "3.11.0",
         "readable-stream": "2.2.9",
-        "tap-parser": "^5.1.0",
-        "unicode-length": "^1.0.0"
+        "tap-parser": "5.4.0",
+        "unicode-length": "1.0.3"
       },
       "dependencies": {
         "debug": {
@@ -6575,8 +6580,8 @@
           "integrity": "sha512-BIsIaGqv7uTQgTW1KLTMNPSEQf4zDDPgYOBRdgOfuB+JFOLRBfEu6cLa/KvMvmqggu1FKXDfitjLwsq4827RvA==",
           "dev": true,
           "requires": {
-            "events-to-array": "^1.0.1",
-            "js-yaml": "^3.9.1",
+            "events-to-array": "1.1.2",
+            "js-yaml": "3.11.0",
             "readable-stream": "2.2.9"
           }
         }
@@ -6588,9 +6593,9 @@
       "integrity": "sha512-05G8/LrzqOOFvZhhAk32wsGiPZ1lfUrl+iV7+OkKgfofZxiceZWMHkKmow71YsyVQ8IvGBP2EjcIjE5gL4l5lA==",
       "dev": true,
       "requires": {
-        "events-to-array": "^1.0.1",
-        "js-yaml": "^3.9.1",
-        "minipass": "^2.2.1"
+        "events-to-array": "1.1.2",
+        "js-yaml": "3.11.0",
+        "minipass": "2.2.4"
       }
     },
     "text-extensions": {
@@ -6632,7 +6637,7 @@
       "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
       "dev": true,
       "requires": {
-        "os-tmpdir": "~1.0.2"
+        "os-tmpdir": "1.0.2"
       }
     },
     "tough-cookie": {
@@ -6641,7 +6646,7 @@
       "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
       "dev": true,
       "requires": {
-        "punycode": "^1.4.1"
+        "punycode": "1.4.1"
       }
     },
     "trim-newlines": {
@@ -6690,7 +6695,7 @@
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
       "requires": {
-        "prelude-ls": "~1.1.2"
+        "prelude-ls": "1.1.2"
       }
     },
     "typedarray": {
@@ -6758,7 +6763,7 @@
       "integrity": "sha1-Wtp6f+1RhBpBijKM8UlHisg1irs=",
       "dev": true,
       "requires": {
-        "punycode": "^1.4.1",
+        "punycode": "1.4.1",
         "strip-ansi": "3.0.1"
       }
     },
@@ -6811,7 +6816,7 @@
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "dev": true,
       "requires": {
-        "assert-plus": "^1.0.0",
+        "assert-plus": "1.0.0",
         "core-util-is": "1.0.2",
         "extsprintf": "1.3.0"
       }
diff --git a/package.json b/package.json
index 4f4fd8b..81b989c 100644
--- a/package.json
+++ b/package.json
@@ -60,6 +60,7 @@
   "dependencies": {
     "bluebird": "^3.5.1",
     "chownr": "^1.0.1",
+    "figgy-pudding": "^3.1.0",
     "glob": "^7.1.2",
     "graceful-fs": "^4.1.11",
     "lru-cache": "^4.1.2",
diff --git a/put.js b/put.js
index fe1293e..0b0ee14 100644
--- a/put.js
+++ b/put.js
@@ -1,17 +1,31 @@
 'use strict'
 
+const figgyPudding = require('figgy-pudding')
 const index = require('./lib/entry-index')
 const memo = require('./lib/memoization')
 const write = require('./lib/content/write')
 const to = require('mississippi').to
 
+const PutOpts = figgyPudding({
+  algorithms: {
+    default: ['sha512']
+  },
+  integrity: {},
+  memoize: {},
+  metadata: {},
+  size: {},
+  tmpPrefix: {},
+  uid: {},
+  gid: {}
+})
+
 module.exports = putData
 function putData (cache, key, data, opts) {
-  opts = opts || {}
+  opts = PutOpts(opts)
   return write(cache, data, opts).then(res => {
-    // TODO - stop modifying opts
-    opts.size = res.size
-    return index.insert(cache, key, res.integrity, opts).then(entry => {
+    return index.insert(
+      cache, key, res.integrity, opts.concat({size: res.size})
+    ).then(entry => {
       if (opts.memoize) {
         memo.put(cache, entry, data, opts)
       }
@@ -22,7 +36,7 @@ function putData (cache, key, data, opts) {
 
 module.exports.stream = putStream
 function putStream (cache, key, opts) {
-  opts = opts || {}
+  opts = PutOpts(opts)
   let integrity
   let size
   const contentStream = write.stream(
@@ -45,9 +59,7 @@ function putStream (cache, key, opts) {
     })
   }, cb => {
     contentStream.end(() => {
-      // TODO - stop modifying `opts`
-      opts.size = size
-      index.insert(cache, key, integrity, opts).then(entry => {
+      index.insert(cache, key, integrity, opts.concat({size})).then(entry => {
         if (opts.memoize) {
           memo.put(cache, entry, Buffer.concat(memoData, memoTotal), opts)
         }