Merge pull request #12 from madbence/patch-3

fix dev dependencies

Author: gjohnson

package.json

@@ -14,9 +14,9 @@
     "debug": "~0.7.4"
   },
   "devDependencies": {
-    "mocha": "*",
-    "should": "*",
-    "matcha": "~0.4.1"
+    "matcha": "^0.6.0",
+    "mocha": "^2.2.5",
+    "should": "^6.0.3"
   },
   "license": "MIT"
 }