Update package version

package/collection2/package.js

@@ -4,7 +4,7 @@ Package.describe({
   name: 'aldeed:collection2',
   summary:
     'Automatic validation of Meteor Mongo insert and update operations on the client and server',
-  version: '4.0.3',
+  version: '4.0.4',
   documentation: '../../README.md',
   git: 'https://github.com/aldeed/meteor-collection2.git'
 });