| ⇢ | C | Service::checkAnswer() added | |
| ⇢ | A | Service::getHtml() added | |
| ⇢ | A | Response::__construct() added | |
| ⇢ | A | Service::__construct() added | |
| ⇢ | A | Service::getSignupUrl() added | |
| ⇢ | A | Response::valid() added | |
| ⇢ | A | Response::getMessage() added | |
| C | ↛ | Service::checkAnswer() removed | |
| A | ↛ | Service::getHtml() removed | |
| A | ↛ | Response::__construct() removed | |
| A | ↛ | Service::__construct() removed | |
| A | ↛ | Service::getSignupUrl() removed | |
| A | ↛ | Response::valid() removed | |
| A | ↛ | Response::getMessage() removed |