update CHANGELOG and bump version to 4.2.2

(also snuck in a simplification of local pre-commit hooks)

update CHANGELOG and bump version to 4.2.1

update CHANGELOG and bump version to 4.2.0

update CHANGELOG and bump version to 4.1.0

update CHANGELOG and bump version to 4.0.3

bumped version to 3.0.5

update CHANGELOG and bump version to 4.0.2

Bumped version to 3.0.4

bump version to 4.0.1

update CHANGELOG and bump version to 4.0.0