Add more debug messages

git-svn-id: https://plugins.svn.wordpress.org/blacklist-updater/trunk@1042748 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tested up to: WordPress 4.1

git-svn-id: https://plugins.svn.wordpress.org/blacklist-updater/trunk@1042749 b8457f37-d9ea-0310-8a92-e5e31aec5664