* ts_51_011: Fix decoding/encoding of EF_LOCIGPRS
* Assume first record number if caller specifies none
* ts_31_102: Fix several bugs in EF_ECC encoder
* ts_51_011: EF_SMSP: Use integer division in ValidityPeriodAdapter
* 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