Migrated README to restructuredText (#5)
Minor rst fixes (#5)
Added sphinx documentation and migrated README docs into it.  Added API documentation. (#4)
Point link at RTD, add readme bits to index page of docs
Implement support for part-of-day holidays (#3)
Do holiday check last, so that the most common case (out of work hours and weekends) are handled first
Fix an issue where missing DTEND on VEVENT would throw exception, when this
is actually valid iCalendar.  Added unit test for same.
Added notes about some Australian Government iCalendar sources
Added notes about special closures
Added links to websites on README and main documentation page.
Removed some unused code, bump version to 0.1.2, minor readme formatting fix
Merge branch 'develop' for release 0.1.2