fixed main script load under node 0.12

Author: bahmutov

package.json

@@ -13,6 +13,7 @@
   "devDependencies": {
     "mocha": "1"
   },
+  "main": "index.js",
   "scripts": {
     "test": "mocha --reporter spec --bail"
   }

test.js

@@ -1,7 +1,7 @@
 
 var assert = require('assert')
 
-var parse = require('.')
+var parse = require('./')
 
 describe('versionless', function () {
   [