Apperently the parser used by crossfire was remove in python 3.10. https://bugs.python.org/issue40939
The client is still getting official releases on a fairly frequent basis, so this package tracks those rather than SVN head.
This adds the Crossfire server package and the corresponding data packages (maps and archetypes). Note that this tracks a recent SVN commit; the latest official release is many years old and no longer widely used (or supported).