* sysmocom_sja2: Add some de/encode test vectors
* pySim-shell: Reject any non-decimal PIN values
* pySim-shell: permit string with spaces for 'echo' command
* pySim-shell: Validate that argument to 'apdu' command is proper hexstr
* pySim-shell: Improved argument validation for verify_adm argument
* 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