get Sysex8Data
fun getSysex8Data(iter: Iterator<Ump>, fallback: UmpBinaryRetrieverFallback = UmpBinaryRetrieverFallback.Break): List<Byte>
fun getSysex8Data(outputter: (List<Byte>) -> Unit, input: Iterator<Ump>, fallback: UmpBinaryRetrieverFallback = UmpBinaryRetrieverFallback.Break)