- Updated tests for 2017.1 and recent years (thank Dan Burton for filing the issue).
- Corrected version numbering to reflect API breaking (2017.0.0.1 deprecated).
- Ported leapSecondMap of time-1.7.
- Added 2017 leap second (2016-12-31T23:59:60Z).
- Fix documentation to reflect addition of 2015 leap second.
- Hide hypothetical leap seconds (prior to 1972-01-01).
- Add test suite to .cabal.
- Added 2015 leap second (2015-06-30T23:59:60Z).
- Added 2012 leap second (2012-06-30T23:59:60Z).
Initial release including all leap seconds up to 2009-01-01.