Update WPPH library to make it PHP4 compatible

git-svn-id: https://plugins.svn.wordpress.org/wp-experiments-free/trunk@931903 b8457f37-d9ea-0310-8a92-e5e31aec5664
Allow WP to manage the updates

git-svn-id: https://plugins.svn.wordpress.org/wp-experiments-free/trunk@931908 b8457f37-d9ea-0310-8a92-e5e31aec5664