Usage:
  rcexplain [Options] rc [rc ...]

Summary:
  Prints out error string to stdout for one or more return codes.

Options:
  -h|--help                        Output a brief explantion for the program.
  -V|--version                     Display the version of the program then quit.
  -L|--log-level <level>           Logging level as number or enum string.
                                   One of (fatal|sys|int|err|warn|info) or (0-5)
                                   Current/default is warn
  -v|--verbose                     Increase the verbosity level of the program.
                                   Use multiple times for more verbosity.