Merge pull request #16 from jsilvestre/master

Added support for `created` and `lastModification` properties for events
1.0.9
Merge pull request #17 from jsilvestre/master

Removed: alarm to vtodo support
Merge pull request #18 from jsilvestre/master

Fixed: events were not timezoned during export to iCal
1.1.0
Fixed: UTC shouldn't be considered as a normal timezone