Update get_matching_groups to allow for custom $rule_types array lookups
Bring back forced int on $post_id when not an array
Update api.php
Fill in Page Templates / Post Types if only post_ids is sent
Efficiency updates for new get_matching_groups rules handling
Added quick inline comment
Add $rule_types to cfs_matching_groups filter
Merge pull request #144 from sc0ttkclark/patch-1

Update get_matching_groups to allow for custom $rule_types array lookups