Time to fix some errors.

git-svn-id: https://plugins.svn.wordpress.org/delete-post-revisions-by-tricks-panda/trunk@898288 b8457f37-d9ea-0310-8a92-e5e31aec5664
3.9 support added + fixed a type in description.

git-svn-id: https://plugins.svn.wordpress.org/delete-post-revisions-by-tricks-panda/trunk@898289 b8457f37-d9ea-0310-8a92-e5e31aec5664