Summons a user
    Syntax: {command} <nick>

def cmd(send, msg, args):
    """Summons a user
    Syntax: {command} <nick>
    """
    if args['type'] == 'privmsg':
        send("Note-passing should be done in public.")
        return
    arguments = msg.split()
    if len(arguments) > 1:
        send("Sorry, I can only perform the summoning ritual for one person at a time")
        return
    elif len(arguments) == 0:
        send("Who shall I summon?")
        return
    nick = arguments[0]
    message = "You have been summoned!"
    row = Notes(note=message, submitter="The Dark Gods", nick=nick, time=datetime.now())
    args['db'].add(row)
    send("%s has been summoned!" % nick)