Bump version.

jsfuck.js

@@ -1,4 +1,4 @@
-/*! JSFuck 0.3.0 - http://jsfuck.com */
+/*! JSFuck 0.4.0 - http://jsfuck.com */
 
 (function(self){
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jsfuck",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Write any JavaScript with just 6 characters: []()!+",
   "main": "jsfuck.js",
   "bin": "fuck.js",