Fixes

• 2016-02-11 - [Bug] Webpage had a redirect loop ERR_TOO_MANY_REDIRECTS in some cases. Fixed. #BUG-2864 (Michael Lipinski)
• 2016-02-11 - [Bug] Use of $this in closure (allowed since PHP 5.4 only). Fixed. #BUG-2862 (Eugene Dementjev)
• 2016-02-11 - [Bug] Fatal errors because of static calls in anonymous functions on PHP 5.3.x #BUG-2852 (Michael Lipinski)
• 2016-02-08 - [Bug] Unneccessary item list's condition was saved in session cell. Fixed. #BUG-2832 (Eugene Dementjev)
• 2016-02-05 - [Bug] Module was re-disabled after enabling during the upgrade routine. Fixed. #BUG-2820 (Vladimir Semyonov)