fix: BREAKING CHANGE use data-encoding arg so data is not corrupted (#806)

BREAKING CHANGE: Requires go-ipfs 0.4.17 as it allows for specifying the data encoding format when requesting object data.

Author: achingbrain

src/object/get.js

@@ -41,12 +41,17 @@ module.exports = (send) => {
 
     send({
       path: 'object/get',
-      args: cidB58Str
+      args: cidB58Str,
+      qs: {
+        'data-encoding': 'base64'
+      }
     }, (err, result) => {
       if (err) {
         return callback(err)
       }
 
+      result.Data = Buffer.from(result.Data, 'base64')
+
       const links = result.Links.map((l) => {
         return new DAGLink(l.Name, l.Size, Buffer.from(bs58.decode(l.Hash)))
       })