* Fix issue in session
* Update about page
* Fix issue when updating categories user cache
* Fix issue in SQLite (missing close function)
* Add user_tags plugin in core plugins
Fix issue with transaction for mysqli.
begin_transaction() methods exists for php>=5.5.0. Thanks to Franck.
Merge from branch 1.0.0
Fix issue with transaction for mysqli.
begin_transaction() methods exists for php>=5.5.0. Thanks to Franck.