Change Details

added tests in script_tests: * create schnorr txns for CHECKSIG, test with flag on/off * create schnorr txns for CHECKDATASIG, test with flag on/off * create schnorr txns for CHECKMULTISIG, test with flag on/off * added valid 64-byte (+hashtype) ECDSA signature tests for directly poking at 64-byte ambiguity

added numerous tests in script_tests

added tests in script_tests: * create schnorr txns for CHECKSIG, test with flag on/off * create schnorr txns for CHECKDATASIG, test with flag on/off * create schnorr txns for CHECKMULTISIG, test with flag on/off * added valid 64-byte (+hashtype) ECDSA signature tests for directly poking at 64-byte ambiguitynumerous tests in script_tests