v0.12.0 (alteryx#794)

* bump version number

* update changelog

v0.11.0 (alteryx#757)

* bump version number

* alphabetize contributors

* version number in changelog

* fix tab spacing

* add warning about dropping python 2

v0.10.1 (alteryx#713)

* bump version number

* bump version number

* update changelog

v0.10.0 (alteryx#709)

* bump version number

* sort contributors

* add Python 2 support removal warning

* use the warning format when announcing future removal of Python 2 support

* move categorical-encoding pr to enhancements in changelog

v0.9.1 (alteryx#640)

* bump version number

* set release date and sort contributors

v0.9.0 (alteryx#610)

* bump version number

* update changelog.rst

* bump version number

v0.8.0 (alteryx#548)

* bump version number

* bump version and fix test

* update changelog

* update changelog

* bump version

* bump version number

Fix typo in changelog

v0.7.0 (alteryx#477)

* bump version number

* update changelog

* add new changelog entries and fix github pr links

* update release date in changelog

* fix parameter name in changelog example

* move list of updates above breaking change notice in changelog entry

* bold breaking changes header