| ⇢ | A | UpdateTagActionTest added | |
| ⇢ | A | TagConflictException added |
| ⇢ | A | TagServiceTest::renameTagToAnExistingNameThrowsExc... added | |
| ⇢ | A | UpdateTagActionTest::tagIsProperlyRenamedWhenRenam... added | |
| ⇢ | A | UpdateTagActionTest::errorIsThrownWhenTryingToRena... added | |
| ⇢ | A | TagServiceTest::provideValidRenames() added | |
| ⇢ | A | TagConflictException::fromExistingTag() added | |
| A | ↛ | GenerateShortUrlCommand::getOptionalDate() removed | |
| A | ↛ | CreateShortUrlAction::getOptionalDate() removed |