Added "hasData" on generic seialization visitors and other minor bugfixes
- Added public
hasDatafunction to check if a data key already have been added. #625 (goetas) (based on #466 by mowcixo) - $context is not used #622 (olvlvl)
- Fix Doctrine PHPCR ODM 2.0 compatibility #605 (wouterj)
- Fixed type-hinting #586 (jgendera)
- Fix multiple handler callbacks in YamlDriver #515 (mpajunen)
- Fixed minor typos #364 (sdaoudi)
- Default
$serializeNullto false #317 (steveYeah) - Missing attribute 'xml-value' in XML Reference #269 (holtkamp)
- Removed unnecessary use statement #262 (dunglas)