- Fixed utc conversion problem
- Group weeks by week of year
- Add Year to GroupLabel of PERIOD_MODE.DAYS
- Expose getMomentRangeIterator
- Add checksum to output objects
- Change checksum calculation
- Fix sunday/monday handling
- Fix Quarter group label
- Implement expanding time ranges to at least one period
- Implement isDirty method to identify changes on the period
- Remove HALF_YEAR period mode
- Initial versions