* pySim.esim.saip.oid: Fix OID defininitions for v3.3.1 IoT templates
* pySim.filesystem: Add __len__ method to Path object
* pySim.esim.saip.templates: Update to SAIP v3.3.1 (July 2023)
* pySim.esim.saip.templates: Add a notion of the path of a file
* pySim.esim.saip.template: Permit file-size for BER-TLV files
* pySim.esim.saip: Add subcasses for EAP, DF.SNPN and DF.5G_ProSe
* pySim-shell: Support other ADMx values beyond ADM1 from 'verify_adm'
* ts_51_011: Support EF.SDN
* ts_51_011: Fix bit-order in EF.VGCSS and EF.VBSS
* gsm_r: Fix byte/nibble ordering of predefined_value1
* gsm_r: EF_Predefined: Decode first record different from others
* 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