Set event UID to task UUID to avoid duplicates

Set event UID to task UUID to avoid duplicates on re-publish.

Full Changelog: v1.0.1...v1.0.2

Maintenance and install via rubygems.org

This release mainly includes maintenance work, beside that the default command for the app is set to convert. Further the gem is now released on rubygems.org and may be installed via gem install taskwarrior-calendar.

Full Changelog: v1.0.0...v1.0.1

Convert taskwarrior tasks to calendar events.

Export taskwarrior tasks due and optional scheduled dates if available as calendar events.
By default tasks are filtered by status:pending and all events are appointed with an alarm 15 minutes before the event date.

Full Changelog: https://github.com/tschaefer/taskwarrior-calendar/commits/v1.0.0