Assorted packaging improvements

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Please upload report for BASE (main@84f08fd). Learn more about missing BASE report. Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #71 +/- ## ======================================= Coverage ? 87.25% ======================================= Files ? 1 Lines ? 251 Branches ? 39 ======================================= Hits ? 219 Misses ? 24 Partials ? 8 ```

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[jwodder]

@asmacdo Ready for review.