* update copyright symbols to unicode
* clean up version screen/copyright notice
* small change to make commands more similar
* update imports to appease isort
* fix test
* update one more file merged since PR was open
* add actionlint for github actions to testing suite
* add quotes around vars per shellcheck
* change expression per shellcheck
* put more quotes around vars per shellcheck
* put quotes around entire string
* use find instead of ls to better handle non-alphanumberic filenames
* update release workflow input types to have actual typese and fix typo