func (c *Client) logoutHandler(w http.ResponseWriter, r *http.Request) {
	c.user = nil
	c.err = nil
	http.Redirect(w, r, "/", http.StatusFound)
	return
}
func (c *Client) logoutHandler(w http.ResponseWriter, r *http.Request) {
	c.user = nil
	c.err = nil
	http.Redirect(w, r, "/", http.StatusFound)
	return
}
func ( c * Client ) logoutHandler ( w http . ResponseWriter , r * http . Request ) { c . user = nil c . err = nil http . Redirect ( w , r , " " , http . StatusFound ) return }
// Deal with the logout request.
Deal with the logout request .