Ib-async

^^^^^^^^^^^^^^

* Fixed issue 132.
* ``Event.aiter()`` added, all events can now be used
as asynchronous iterators.
* ``Event.wait()`` added, all events are now also awaitable.
* Decreased default throttling to 95 requests per 2 sec.

^^^^^^^^^^^^^^

* ``Ticker.shortableShares`` added (for use with generic tick 236).
* ``ib.reqAllOpenOrders()`` request added.
* tickByTick subscription will update ticker's bid, ask, last, etc.
* Drop redundant bid/ask ticks from ``reqMktData``.
* Fixed occasional "Group name cannot be null" error message on connect.
* ``Watchdog`` code rewritten to not need ``util.patchAsyncio``.
* ``Watchdog.start()`` is no longer blocking.

^^^^^^^^^^^^^^

* Fixed bug 117.
* Fixed order modifications with TWS/gateway 974.

^^^^^^^^^^^^^^

* ``Ticker.fundamentalRatios`` added (for use with generic tick 258).
* Fixed ``reqHistoricalTicks`` with MIDPOINT.

^^^^^^^^^^^^^^

* Handle partially filled dividend data.
* Use ``secType='WAR'`` for warrants.

^^^^^^^^^^^^^^

* ibapi v97.4 is now required.
* fixed tickByTick wrappers.