SECURITY: prevent DoS when calling --help on commands using IRCParser
SECURITY: prevent DoS when calling --help on commands using IRCParser

argparse's default behaviour is to exit after displaying --help and --version information. However, doing so freezes the current IRC listener and essentially allows for DoS via IRC...
This bug does not affect any released (stable) version of PyLInk - only commits after 93c9b6289c50ebc89043c866d06eb0d360ea6102

GLolol/PyLink