Merge pull request #321 from johntruckenbrodt/release/v0.26.1

version 0.26.1 changelog

version 0.26.0 changelog

version 0.25.0 changelog

version 0.24.0 changelog

version 0.23.0 changelog

Merge pull request #271 from johntruckenbrodt/version/0.22.2

version 0.22.2 changelog and documentation updates

version 0.22.1 changelog

Merge pull request #261 from johntruckenbrodt/docs/version_0.22.0

version 0.22.0 changelog and documentation improvements

[pyproject.toml] explicitly define readme content type

version 0.20.0 changelog