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* Add fields ["picture", "nationality", "civil_status", "status", "status_modified", "created", "modified"].
* Rename field "avs" to "social_security_number".
* Rename field "active" to "active_status".
* Add method to archive staff when select in admin staff list.
* Update search_field, list_display, list_filter fields.
* Remove load absence_type auto, now you have to load data.
* Update traduction FR.