Release 5.2.17

git-svn-id: https://plugins.svn.wordpress.org/wp-photo-album-plus/trunk@868409 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 5.2.18

git-svn-id: https://plugins.svn.wordpress.org/wp-photo-album-plus/trunk@869310 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 5-2-18-001 improved debugging and error handling

git-svn-id: https://plugins.svn.wordpress.org/wp-photo-album-plus/trunk@869714 b8457f37-d9ea-0310-8a92-e5e31aec5664