Shows or clears the abuse list
    Syntax: {command} <--clear|--show>

def cmd(send, msg, args):
    """Shows or clears the abuse list
    Syntax: {command} <--clear|--show>
    """
    parser = arguments.ArgParser(args['config'])
    group = parser.add_mutually_exclusive_group()
    group.add_argument('--clear', action='store_true')
    group.add_argument('--show', action='store_true')
    try:
        cmdargs = parser.parse_args(msg)
    except arguments.ArgumentException as e:
        send(str(e))
        return
    if cmdargs.clear:
        args['handler'].abuselist.clear()
        send("Abuse list cleared.")
    elif cmdargs.show:
        abusers = []
        for x in args['handler'].abuselist.keys():
            if args['db'].query(Ignore).filter(Ignore.nick == x).count():
                abusers.append(x)
        if abusers:
            send(", ".join(abusers))
        else:
            send("No abusers.")
    else:
        send("Please specify an option.")