public function update($id = false, $hash = false, $name = false)
    {

        if ($id) {
            $this->_id = $id;
        }
        if ($hash) {
            $this->_hash = $hash;
        }
        if ($name) {
            $this->_name = $name;
        }

        $params = array(
            'id' => $this->_id,
            'hash' => $this->_hash,
            'name' => $this->_name
        );

        $this->_user->put('pylon/update', $params);
    }