Andrew McMillan 5200c6d996 Allow adding an 'after=YYYY-MM-DD' or 'after=P72D' parameter
Only applies to PUT of a collection.  This will mean that only events
after that date (or absolute duration prior to today).  All repeating
events will still be included.
2013-05-23 13:37:00 +12:00
..
2011-12-03 14:20:43 +13:00
2012-07-09 01:16:46 +12:00
2012-07-30 00:28:17 +12:00
2010-03-17 21:54:24 +13:00
2012-01-15 21:33:45 +13:00