chore: add all missing dependencies, thanks npm5!

Author: daviddias

package.json

@@ -26,10 +26,10 @@
   },
   "homepage": "https://github.com/ipfs/interface-ipfs-core#readme",
   "dependencies": {
-    "async": "^2.3.0",
-    "bl": "^1.2.0",
+    "async": "^2.4.1",
+    "bl": "^1.2.1",
     "bs58": "^4.0.0",
-    "chai": "^3.5.0",
+    "chai": "^4.0.0",
     "cids": "^0.5.0",
     "concat-stream": "^1.6.0",
     "detect-node": "^2.0.3",
@@ -40,11 +40,12 @@
     "multihashes": "^0.4.5",
     "multihashing-async": "^0.4.5",
     "peer-id": "^0.8.7",
-    "pull-stream": "^3.5.0",
-    "readable-stream": "1.1.14"
+    "pull-stream": "^3.6.0",
+    "readable-stream": "^1.1.14",
+    "safe-buffer": "^5.0.1"
   },
   "devDependencies": {
-    "aegir": "^11.0.1",
+    "aegir": "^11.0.2",
     "dirty-chai": "^1.2.2"
   },
   "contributors": [
@@ -61,4 +62,4 @@
     "haad <[email protected]>",
     "nginnever <[email protected]>"
   ]
-}
+}