Adding 4.0 support

git-svn-id: https://plugins.svn.wordpress.org/cleansave/branches/1.4.3@980411 b8457f37-d9ea-0310-8a92-e5e31aec5664
Releasing 1.4.4

git-svn-id: https://plugins.svn.wordpress.org/cleansave/trunk@993289 b8457f37-d9ea-0310-8a92-e5e31aec5664