* Updated for compatibility with the new system classes in MolSystem 2021.2.2 release.
2020.12.4
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* Internal: switching CI from TravisCI to GitHub Actions, and in the process moving documentation from ReadTheDocs to GitHub Pages where it is consolidated with the main SEAMM documentation.
2020.11.2
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* Updated to be compatible with the new command-line argument handling.
2020.10.1
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* Bugfix: fixed a blocking bug in handling of periodic system.
2020.9.25.1
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* Internal: added a missed installation requirement.
2020.9.25
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* Updated to be compatible with the new system classes in MolSystem.