Changelog...
# [Fix] Check for user's existence prior to showing email form
# [Fix] New members of moderator groups should always become moderators (Bug #382)
# [Fix] Proper message when replying to non-existant topics (Bug #459)
# [Fix] Changed column type of search_array to store more ids (Bug #4058)
# [Fix] Fixed annoyance with font-size selector (Bug #4612)
# [Fix] Fix optimize line in database updater (Bug #6186)
# [Sec] Check for the avatar upload directory reinforced
# [Sec] Changes to the criteria for "bad" redirection targets - kellanved
# [Sec] Fixed a non-persistent XSS issue in private messaging
# [Sec] Fixing possible negative start parameter - SpiderZ.
# [Sec] Added session checks to various forms - kellanved