1.7.4 - Lots of bug fixes and tuning.

git-svn-id: https://plugins.svn.wordpress.org/paid-memberships-pro/trunk@803167 b8457f37-d9ea-0310-8a92-e5e31aec5664
patch to fix TML 6.2.3/etc compatibility

git-svn-id: https://plugins.svn.wordpress.org/paid-memberships-pro/trunk@803233 b8457f37-d9ea-0310-8a92-e5e31aec5664