Commit current configuration, this will:
            - Unmark updated objects
            - Unmark new objects
            - Completely delete objects mark as deleted

def commit(cls):
        """
        Commit current configuration, this will:
            - Unmark updated objects
            - Unmark new objects
            - Completely delete objects mark as deleted
        """
        cls.objects.deleted().true_delete()
        cls.objects.changed().true_update(_new=False, _changed=False)