Prevent long meta descriptions. The plugin now truncates your meta descriptions to 160 characters. So you basically can't go over 160 characters. Handy saver if you make a mistake and go over the limit.

git-svn-id: https://plugins.svn.wordpress.org/clever-seo-keywords/trunk@875149 b8457f37-d9ea-0310-8a92-e5e31aec5664