client.go
func (c *Client) Whisper(username, text string) {
	c.send(fmt.Sprintf("PRIVMSG #%s :/w %s %s", c.ircUser, username, text))
}
func (c *Client) Whisper(username, text string) {
	c.send(fmt.Sprintf("PRIVMSG #%s :/w %s %s", c.ircUser, username, text))
}
// Whisper write something in private to someone on twitch
// whispers are heavily spam protected
// so your message might get blocked because of this
// verify your bot to prevent this