Merge pull request #2 from xicombd/master

Add through2 as a dependency on package.json

Author: daviddias

package.json

@@ -29,6 +29,7 @@
     "standard": "^5.4.1"
   },
   "dependencies": {
-    "debug": "^2.2.0"
+    "debug": "^2.2.0",
+    "through2": "^2.0.0"
   }
 }