| ⇢ | A | PdoHandler added | |
| ⇢ | A | Database added |
| ⇢ | A | PdoHandler::__construct() added | |
| ⇢ | A | Database::getRateInfo() added | |
| ⇢ | A | Database::limitRate() added | |
| ⇢ | A | Database::createRate() added | |
| ⇢ | A | PdoHandler::fetch() added | |
| ⇢ | A | PdoHandler::save() added | |
| ⇢ | A | PdoHandler::delete() added | |
| ⇢ | A | Database::__construct() added | |
| ⇢ | A | Database::resetRate() added |