- Update 1.4 version

git-svn-id: https://plugins.svn.wordpress.org/libwp/trunk@1043606 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme.txt

git-svn-id: https://plugins.svn.wordpress.org/libwp/trunk@1043608 b8457f37-d9ea-0310-8a92-e5e31aec5664