perf: enable strict mode

dougwilson · dougwilson · commit 5fd9ba424803 · 2015-06-11T00:39:29.000-04:00
diff --git a/index.js b/index.js
@@ -7,6 +7,8 @@
  * MIT Licensed
  */
 
+'use strict'
+
 /**
  * Module dependencies.
  * @private
