fixes parisholley#3 - Ability to exclude files by filename or queue i…

…d from being loaded asynchronously

fixed bug in < PHP 5.2.3

Wordpress already orders dependencies, updated as head.js doesn't sup…

…port multiple dependency resolution

Merge branch 'master' of github.com:parisholley/wordpress-asynchronou…

…s-javascript

readme changes, changed version scheme

improved depenency checking, removed unneeded call

Merge branch 'master' of github.com:parisholley/wordpress-asynchronou…

…s-javascript

git-svn-id: http://plugins.svn.wordpress.org/asynchronous-javascript/trunk@654901 b8457f37-d9ea-0310-8a92-e5e31aec5664