feat(arrest): Updated dependencies and now requiring nodejs 7.8

BREAKING CHANGE: nodejs 7.8 required

package.json

@@ -68,40 +68,40 @@
   },
   "homepage": "https://github.com/vivocha/arrest",
   "devDependencies": {
-    "@types/body-parser": "^1.16.1",
+    "@types/body-parser": "^1.16.3",
     "@types/camelcase": "^0.0.30",
     "@types/debug": "^0.0.29",
     "@types/decamelize": "^0.0.30",
     "@types/express": "^4.0.35",
-    "@types/lodash": "^4.14.52",
-    "@types/node": "^7.0.5",
-    "@types/request": "^0.0.41",
-    "@types/semver": "^5.3.30",
+    "@types/lodash": "^4.14.61",
+    "@types/node": "^7.0.12",
+    "@types/request": "^0.0.42",
+    "@types/semver": "^5.3.31",
     "chai": "^3.5.0",
     "chai-spies": "^0.7.1",
-    "commitizen": "^2.9.5",
-    "coveralls": "2.12.0",
+    "commitizen": "^2.9.6",
+    "coveralls": "2.13.0",
     "cz-conventional-changelog": "^2.0.0",
-    "husky": "^0.13.2",
+    "husky": "^0.13.3",
     "mocha": "^3.2.0",
-    "nyc": "^10.1.2",
+    "nyc": "^10.2.0",
     "pem": "^1.9.4",
-    "rimraf": "^2.5.4",
+    "rimraf": "^2.6.1",
     "semantic-release": "^6.3.2",
     "supertest": "^3.0.0",
-    "typescript": "^2.1.6"
+    "typescript": "^2.2.2"
   },
   "dependencies": {
-    "body-parser": "^1.16.1",
-    "camelcase": "^4.0.0",
-    "debug": "^2.6.1",
+    "body-parser": "^1.17.1",
+    "camelcase": "^4.1.0",
+    "debug": "^2.6.3",
     "decamelize": "^1.2.0",
     "eredita": "^1.0.1",
-    "express": "^4.14.1",
+    "express": "^4.15.2",
     "jsonpolice": "^4.1.0",
     "jsonref": "^3.5.0",
     "lodash": "^4.17.4",
-    "mongodb": "^2.2.24",
+    "mongodb": "^2.2.25",
     "request": "^2.81.0",
     "rql": "^0.3.3",
     "semver": "^5.3.0"
@@ -112,6 +112,6 @@
     }
   },
   "engines": {
-    "node": ">= 6.9.0"
+    "node": ">= 7.8.0"
   }
 }