Passed all drivers of executable, checks which command is passed to
    the executable and then gets the options for a driver, parses them from
    command line and runs the driver

def start_msstitch(exec_drivers, sysargs):
    """Passed all drivers of executable, checks which command is passed to
    the executable and then gets the options for a driver, parses them from
    command line and runs the driver"""
    parser = populate_parser(exec_drivers)
    args = parser.parse_args(sysargs[1:])
    args.func(**vars(args))