• Fixed: Sabre_VObject_Node::$parent should have been public.
• Fixed: Recurrence rules of events are now taken into consideration when doing
  time-range queries on alarms.
• Fixed: Added a workaround for the fact that php's DateInterval cannot parse
  weeks and days at the same time.
• Added: Sabre_DAV_Server::$exposeVersion, allowing you to hide SabreDAV's
  version number from various outputs.
• Fixed: DTSTART values would be incorrect when expanding events.
• Fixed: DTSTART and DTEND would be incorrect for expansion of WEEKLY BYDAY
  recurrences.
• Fixed: Issue 203: A problem with overridden events hitting the exact date and
  time of a subsequent event in the recurrence set.
• Fixed: There was a problem with recurrence rules, for example the 5th tuesday
  of the month, if this day did not exist.
• Added: New HTTP status codes from draft-nottingham-http-new-status-04.