| ⇢ | A | VersionFieldConstraint added | |
| ⇢ | A | VersioningDocumentsTest added | |
| ⇢ | A | DocumentVersionListener added | 
| ⇢ | B | VersionFieldConstraint::validate() added | |
| ⇢ | B | VersioningDocumentsTest::testPut() added | |
| ⇢ | A | VersioningDocumentsTest::setUp() added | |
| ⇢ | A | VersioningDocumentsTest::testPost() added | |
| ⇢ | A | DocumentVersionListener::modelUpdate() added | |
| ⇢ | A | DocumentVersionListener::modelInsert() added | |
| ⇢ | A | DocumentVersionListener::updateCounter() added | |
| ⇢ | A | VersionFieldConstraint::__construct() added | |
| ⇢ | A | DocumentVersionListener::__construct() added |