version 2.3.2-exp.11
- removed deprecated code, including log_event (now uses Logger::logInfo)
- replaced lousy function weeknumber2monday() with getPreviousMonday() (much better!, WWIT)
- protect display of username with htmlentities()
  (I had done this previously but that had been lost along the way)
- Coded display of active tab based on template variable $t->activetab
- Moved tabs back down from login/top bar back into main page
- Trial display of Announcements data at top of page as separate to the
  notices data displayed in the Notices tab.
version 2.3.2-exp.12 Implemented adminRemove function + a few minor bugfixes
version 2.3.2-exp.13 Added Announcements, which stay at the top of page
Note:
- need to hide "well" when announcements is empty
- need to implment edit Announcements