Add SPF optional machnism qualifier to model and parser. fix Human re… #1819

Job	Run time
boefjes-tests / Tests	1m 4s
bytes-tests / unit-tests	1m 13s
mula-tests / unit-tests	1m 2s
octopoes-tests / unit-tests	30s
rocky-tests / unit-tests	4m 0s
fix-coverage-reports (octopoes, .)	13s
fix-coverage-reports (mula, mula/scheduler/)	13s
fix-coverage-reports (bytes, bytes/)	16s
fix-coverage-reports (rocky, rocky/)	6s
fix-coverage-reports (boefjes, boefjes/)	8s
sonar-cloud	3m 26s
	12m 11s

Provide feedback