| ⇢ | A | ReferenceManager added | |
| ⇢ | A | DuplicateReferenceException added | |
| ⇢ | A | UnknownReferenceException added |
| ⇢ | A | ReferenceManager::add() added | |
| ⇢ | A | ReferenceManager::findAndReplace() added | |
| ⇢ | A | ReferenceManager::resolveReference() added | |
| ⇢ | A | ReferenceManager::__construct() added | |
| ⇢ | A | ReferenceManager::get() added | |
| ⇢ | A | ReferenceManager::isReference() added | |
| ⇢ | A | DuplicateReferenceException::__construct() added | |
| ⇢ | A | UnknownReferenceException::__construct() added |