Fix Bugs

git-svn-id: https://plugins.svn.wordpress.org/wp-random-post/trunk@931758 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update Readme File/

git-svn-id: https://plugins.svn.wordpress.org/wp-random-post/trunk@931763 b8457f37-d9ea-0310-8a92-e5e31aec5664