private function updateMerchant()
 {
     $merchant = new Expressly\Entity\Merchant();
     $merchant->setName(get_option(self::NAME))->setUuid(get_option(self::UUID))->setDestination(get_option(self::DESTINATION))->setHost(get_option(self::HOST))->setOffer(get_option(self::OFFER))->setPassword(get_option(self::PASSWORD))->setPath(get_option(self::PATH))->setImage(get_option(self::IMAGE))->setTerms(get_option(self::TERMS))->setPolicy(get_option(self::POLICY));
     $this->merchant = $merchant;
 }