* Support for CHDO
* Remove dependency from GENERIC
* Skip gen. objects by CHDO
* abaplint checks
* Moved filter to zcl_abapgit_repo
* Adjusted filter logic
* Delete unused methods
* Extract apply filter methods
New class zcl_abapgit_repo_filter generated with apply filter methods
* docs: update supported with CHDO
* Clear serialization fields
* Set package at deserialize
* Check errors at deserialize
