a new version

git-svn-id: https://plugins.svn.wordpress.org/my-live-chat-for-wp/trunk@803537 b8457f37-d9ea-0310-8a92-e5e31aec5664
fix a typo

git-svn-id: https://plugins.svn.wordpress.org/my-live-chat-for-wp/trunk@803545 b8457f37-d9ea-0310-8a92-e5e31aec5664