Returns a parser with common command-line options for all the scripts
    in the fortpy suite.

def _common_parser():
    """Returns a parser with common command-line options for all the scripts
    in the fortpy suite.
    """
    import argparse
    parser = argparse.ArgumentParser(add_help=False)
    parser.add_argument("-examples", action="store_true",
                        help="See detailed help and examples for this script.")
    parser.add_argument("-verbose", action="store_true",
                        help="See verbose output as the script runs.")
    parser.add_argument('-action', nargs=1, choices=['save','print'], default='print',
                        help="Specify what to do with the output (print or save)")
    parser.add_argument("-debug", action="store_true",
                        help="Print verbose calculation information for debugging.")

    return parser