update libs

package.json

@@ -119,16 +119,16 @@
     "webpack-merge": "~4.1.0"
   },
   "devDependencies": {
-    "chai": "^4.0.2",
+    "chai": "^4.1.0",
     "cli": "~1.0.1",
     "colors": "^1.1.2",
     "commander": "^2.11.0",
     "easy-livereload": "^1.2.0",
-    "mocha": "^3.2.0",
+    "mocha": "^3.5.0",
     "morgan": "^1.8.2",
     "node-dev": "^3.1.3",
-    "sinon": "^2.1.0",
-    "sinon-chai": "^2.9.0"
+    "sinon": "^3.0.0",
+    "sinon-chai": "^2.12.0"
   },
   "engines": {
     "node": "6.x",