* pySim-shell: clean up method calls in do_switch_channel
* pySim-shell: fix reset command
* pySim-shell: turn "ADF-escape-code" into an lchan method.
* pySim-shell: move export code into filesystem class model
* sim-rest-client: Add support for 'info' command to get IMSI+ICCID
* sim-rest-server: Add capability to obtain IMSI + ICCID of card
* sim-rest-client: Errors are plain text, not JSON
* 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