Pandas-market-calendars

~~~~~~~~~~~~~~
- `PR 166 <https://github.com/rsheftel/pandas_market_calendars/pull/166>`_ to solve the issue raised in
`164 <https://github.com/rsheftel/pandas_market_calendars/issues/164>`_
- Add Juneteenth to NYSE calendar
- Fixed CN holidays
- Make MarketCalendars pickleable

~~~~~~~~~~~~~~
- Major refactoring of the underlying code from `PR 150 <https://github.com/rsheftel/pandas_market_calendars/pull/150>`_
thanks to https://github.com/Stryder-Git
- Fixed 12/24/1999 early close on NYSE

~~~~~~~~~~~~~~
- Added September 11 holidays to TSX calendar
- Made the minimum version for exchange_calendars >= 3.3 to resolve problem with newer versions of pandas

~~~~~~~~~~~~~
- Major update to the date_range() functionality. This new behavior is more complete and consistent, but changes
behavior in some cases, so a new major version is warranted. For more discussion on the topic refer to
`PR 142 <https://github.com/rsheftel/pandas_market_calendars/pull/142>`_ and
`Issue 138 <https://github.com/rsheftel/pandas_market_calendars/issues/138>`_

~~~~~~~~~~~~~
- Updated to work with pandas 1.3
- Raise minimum python to 3.7
- NYSE calendar valid from 1885 to present. Includes all full day closes, early closes, and late opens. PR 141

~~~~~~~~~~~~~~~
- Fixed the TSE calendar for Christmas falling on a Saturday