Updated Version 2, Introduced API system

git-svn-id: https://plugins.svn.wordpress.org/wp-url-shorten/trunk@814527 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated

git-svn-id: https://plugins.svn.wordpress.org/wp-url-shorten/trunk@814528 b8457f37-d9ea-0310-8a92-e5e31aec5664