Making contracts `memory-safe` #374

Job	Run time
verify (verifyOwners.sh)	16m 18s
verify (verifySafe.sh)	7m 49s
verify (verifyModules.sh)	29m 11s
verify (verifyNativeTokenRefund.sh)	2m 34s
verify (verifySignatures.sh)	3m 16s
	59m 8s

Provide feedback