Bump version to 0.4.0

Also update README with lastest changes

README.md

@@ -62,7 +62,10 @@ In lieu of a formal styleguide, take care to maintain the existing coding style.
  - *v0.1.0*: First Release
  - *v0.2.0*: Fixed compatibility with grunt 0.4 
  - *v0.3.0*: grunt-wkhtmltopdf is now a multi-task
-
+ - *v0.4.0*: 
+    - Update project config files to work with Grunt 0.4
+    - Update wkthmltopdf task to use Grunt 0.4 multi-task API
+    - Improve predictability of the destination for created PDFs 
 ## License
 Copyright (c) 2012 Olivier Audard  
 Licensed under the MIT license.

package.json

@@ -1,7 +1,7 @@
 {
   "name": "grunt-wkhtmltopdf",
   "description": "Grunt Task that uses wkhtmltopdf to convert HTML files to PDF",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "homepage": "http://www.dhar.fr/grunt-wkhtmltopdf/",
   "author": {
     "name": "Olivier Audard",