Gravity Perks - Media Library 1.2.31

• Fixed issue where all GPML-enabled image field merge tags were being treated as post images.

- Fixed issue where new regex for parsing multi-file merge tag modifiers ignored all but the last modifier.

- Added support for passing more than two parameters for multi-file merge tags (i.e. {File:1:thumbnail:left:link}).
- Added 'gpml_multi_file_merge_tag_glue' filter to allow modifying the string that is used to join individual images in a multi-file image merge tag.