Remove abbreviations from default command line

This will help prevent conficts when other command-line interfaces are
invoked

bilby/core/utils.py

@@ -455,7 +455,7 @@ def set_up_command_line_arguments():
     """
     parser = argparse.ArgumentParser(
         description="Command line interface for bilby scripts",
-        add_help=False)
+        add_help=False, allow_abbrev=False)
     parser.add_argument("-v", "--verbose", action="store_true",
                         help=("Increase output verbosity [logging.DEBUG]." +
                               " Overridden by script level settings"))