Merge pull request #5 from robertknight/browserify-fix

Fix atob under CommonJS module bundlers (eg. Browserify)

browser-atob.js

@@ -29,4 +29,8 @@
   }
 
   w.atob = atob;
+
+  if (typeof module !== 'undefined') {
+    module.exports = atob;
+  }
 }(window));

test.js

@@ -2,7 +2,7 @@
 (function () {
   "use strict";
 
-  var atob = require('./index')
+  var atob = require('.')
     , encoded = "SGVsbG8gV29ybGQ="
     , unencoded = "Hello World"
   /*