
- ``supports``, ``has_identity``, ``get_info``, ``get_items`` are now coroutines - ``set_info````set_items``, ``del_items``, ``add_item``, ``add_identity``, ``del_identity``, ``set_identities``, ``del_identities``, ``add_feature``, ``del_feature``, ``set_feature``, ``set_features``, ``del_features`` now return a Future also fix has_identity and supports which have been broken in forever