* slight optimization for Heap.push_many * bugfix for Heap.push and a deprecation * changed how CallableGroup works - now every add adds a CancellableCallback and it's always true that CallableGroup has it's own cancellable callbacks.
2.25.4
* add JSONAbleDataObject * improved typing for reraise_as * added weak_refs to SingletonWithRegardsTo * added jump_to_directory * fixed get_size() to RuntimeError on PyPy instead of hanging
1.6
* fixed to be compatible with latest satella
1.6.0
* streaming responses times will now be calculated correctly