hipchat.go
func (c *Client) PrivSay(user, name, body string) {
	c.connection.MUCSend("chat", user, c.Id+"/"+name, body)
}
func (c *Client) PrivSay(user, name, body string) {
	c.connection.MUCSend("chat", user, c.Id+"/"+name, body)
}
// PrivSay accepts a client id, the name of the client, and the message
// body and sends the private message to the HipChat
// user.