Changed the PHP code to be more compatible with WordPress PHP

git-svn-id: https://plugins.svn.wordpress.org/dpabottomofpostpage/trunk@1044881 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated change comments in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/dpabottomofpostpage/trunk@1044882 b8457f37-d9ea-0310-8a92-e5e31aec5664