Removed unused function.
WordPress Coding Standards optimizations.
WordPress Coding Standards optimizations.
Use more general constants.
Moved config class to the pay namespace.
Renamed old Gravity Forms feed class.
Added an order ID field.
Changed order ID field to order ID prefix field, a little saver for noobs.
Renamed order ID prefix to entry ID prefix.
WordPress Coding Standards optimizations.
Getting ready for version 2.4.3.
Updated change log.
Merge branch 'release/2.4.3'