Feature release 2.3.0

New features:
- add translations to XLIFF
- add schema management
- add support for extension file usage

Fixes:
- any fixes for PCHCQ
- fix template

Hotfix release 2.2.1

- Merge translations

Stable release 2.2.0

      This brings full Contao 4.9 support.

Additionally there have been performance improvements
and various bugfixes.

Hotfix release 2.1.2

- Hotfix save empty string as null

Hotfix release 2.1.1

- Hotfix for making the attribute searchable at the backend

Stable release 2.1.0

This brings full Contao 4 support.

Additionally there have been performance improvements
and various bugfixes.

Maintenance release

Code and build cosmetics

Stable release 2.0.0

Language update.