What's Changed
* Support customizing language codes by PhuNH in https://github.com/PhuNH/py-appstream/pull/8
* Support dropping '.desktop' part in id, launchable, and extends tags by PhuNH in https://github.com/PhuNH/py-appstream/pull/9
**Full Changelog**: https://github.com/PhuNH/py-appstream/compare/v0.1.3...v0.1.4