* README.md: Add note about pySim-trace.py dependencies
* pysim-test: rename pysim-test.sh to pySim-prog_test.sh
* tests: add test script for pySim-trace
* Fix various mistakes around the CardADF <-> CardApplication dualism
* filesystem: fix various issues found by mypy
* filesystem: Avoid GPL header showing up in sphinx autodoc
* Use sphinx for generating documentation
* Add more documentation to the classes/methods