Gets a random FML post.

    Syntax: {command}

def cmd(send, msg, args):
    """Gets a random FML post.

    Syntax: {command}

    """
    req = get("http://api.fmylife.com/view/random", params={'language': 'en', 'key': args['config']['api']['fmlkey']})
    doc = fromstring(req.content)
    send(doc.xpath('//text')[0].text)