Merge pull request #29 from msgflo/greenkeeper/chai-4.1.2

chore(package): update chai to version 4.1.2

Author: jonnor

package.json

@@ -14,11 +14,11 @@
   "dependencies": {},
   "devDependencies": {
     "amqplib": "^0.5.1",
-    "chai": "~4.0.0",
+    "chai": "^4.1.2",
     "coffee-script": "^1.8.0",
-    "mocha": "~4.1.0",
+    "mocha": "^4.1.0",
     "msgflo": "^0.10.0",
-    "mqtt": "~2.15.0"
+    "mqtt": "^2.15.0"
   },
   "keywords": [],
   "bin": {},