Lighter production installs

Author: stevenvachon

index.js

@@ -11,7 +11,10 @@
       "expresso": "~0.9"
     , "should": "~0.6"
     }
-  , "main": "./index.js"
+  , "main": "lib"
+  , "files": [
+      "lib"
+    ]
   , "scripts": {
       "test": "make test"
     }