Corrected bugs:
- XFMG categories selector option rendering function lists XFRM categories instead.
- Add of a trait usable in finders to provide capability to remove a where condition from the finder conditions (remmoveWhere()).
New features:
- New function in XF service thread creator to allow definition of the poster
- New function in XF service thread replier to allow definition of the poster
Corrected bugs:
Corrected an error that could happen in case of errors returned by PayPal API
Modifications:
Changes to the API to support Forum Sales add-on