* esim.saip: Introduce ProfileElement.identification property
* esim.es9p: Suppress sending requestHeader on ES9+
* add contrib/es9p_client: Perform ES9+ client functions like LPA+eUICC
* http_json_api / es9p: Add User-Agent header
* add pySim.esim.es9p with definitions of the ES9+ HTTP Interface
* esim.es2p: Split generic part of HTTP/REST API from ES2+
* pySim/cat: Fix "Decode the "Type of Comand" from numeric value to a string"
* 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