Merge pull request #7 from ipfs/update-deps

chore: require 0.15.2 of ipld-dag-pb to have name memoisation

Author: achingbrain

package.json

@@ -42,7 +42,7 @@
     "detect-node": "^2.0.4",
     "dirty-chai": "^2.0.1",
     "ipfs-unixfs-exporter": "~0.35.4",
-    "ipld": "~0.20.0",
+    "ipld": "~0.20.2",
     "multihashes": "~0.4.14",
     "pull-generate": "^2.2.0",
     "pull-traverse": "^1.0.3",
@@ -55,7 +55,7 @@
     "deep-extend": "~0.6.0",
     "hamt-sharding": "~0.0.2",
     "ipfs-unixfs": "~0.1.16",
-    "ipld-dag-pb": "~0.15.0",
+    "ipld-dag-pb": "~0.15.2",
     "left-pad": "^1.3.0",
     "multihashing-async": "~0.5.1",
     "pull-batch": "^1.0.0",