Fixed error if deferring caching for a non-cacheable block
Doc improvements re match keys
Misc fixes
Misc fixes, based on automated error reports
Fixed distinct queries
Race condition fix (kinda - small mitigation fix)
Documentation improvements
Misc fixes
Fixed issue if lots of medium sized images in Comcode that goes to a notification
Commited fix to issue #1596 (http://ocportal.com/tracker/view.php?id=1596). [Catalogue index links, menu highlighting]
Misc fixes