| ⇢ | A | FileSource added | |
| ⇢ | A | RawSource added |
| ⇢ | A | FileSource::__construct() added | |
| ⇢ | A | RawSource::__construct() added | |
| ⇢ | A | FileSource::getName() added | |
| ⇢ | A | FileSource::getStreamReader() added | |
| ⇢ | A | FileSource::getPages() added | |
| ⇢ | A | RawSource::getName() added | |
| ⇢ | A | RawSource::getStreamReader() added | |
| ⇢ | A | RawSource::getPages() added | |
| A | ↘ | B | Merger::addFromFile() got worse |