Merge branch 'master' into greenkeeper/graphql-14.0.2

Author: tjmehta

package.json

@@ -35,11 +35,11 @@
     "cast-array": "^1.0.1"
   },
   "devDependencies": {
-    "chai": "^3.5.0",
+    "chai": "^4.0.0",
     "graphql": "^14.0.2",
     "graphql-relay": "^0.5.0",
     "istanbul": "^0.4.5",
     "mocha": "^3.0.2",
-    "multiline": "^1.0.2"
+    "multiline": "^2.0.0"
   }
 }