* reviving flatpack PR
* added changelog fragment
* adjusted integration tests per PR
* adjusted examples to use the full name of the module
* Use new local artifacts.
* Re-add StrictVersion import.
* Try to clean up PR.
* ...
* Use original name in installed/not installed list.
* More fixes.
* Work around flatpak bug.
* Fix bug I introduced.
Co-authored-by: Felix Fontein <felix@fontein.de>