welchbj

Need to consider the following: - [ ] Sphinx build implications ([reference](https://stackoverflow.com/a/66295922)) - [ ] Cleanup docstrings

Travis CI and AppVeyor were good choices when this project was first created, but GitHub Actions makes more sense now. Reference [here](https://docs.github.com/en/actions/use-cases-and-examples/building-and-testing/building-and-testing-python).