Changes in this release:
- Fixed issue #28: catch and report the case where a repo has no releases.
- Fixed a bug that manifested when the GitHub access token was invalid.
- Fixed a syntax bug in the Makefile.
- Improved (hopefully) the caching of python dependencies to actually work this time.
- Improved (hopefully) some of the diagnostic error messages.
- Added Tom Morrell to the CITATION.cff file.