| ⇢ | A | MysqlChangelogRepository added | |
| A | ↛ | ChangelogCollector removed |
| ⇢ | B | MysqlChangelogRepository::insertChange() added | |
| ⇢ | A | MysqlChangelogRepository::getChanges() added | |
| ⇢ | A | MysqlChangelogRepository::getChangeByHash() added | |
| ⇢ | A | MysqlChangelogRepository::__construct() added | |
| A | ↛ | ChangelogCollector::getMostRecentChange() removed | |
| A | ↛ | ChangelogCollector::getLast20Changes() removed |