Ib-async

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

* Profit and Loss (PnL) funcionality added.

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

* ``IBC`` added.
* PR 53 (delayed greeks) merged.
* ``Ticker.futuresOpenInterest`` field removed.

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

* Fixed canceling bar and tick subscriptions.

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

* Fixed issue 49.

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

* ``Watchdog`` class added.
* ``ib.setTimeout()`` added.
* ``Ticker.dividends`` added for use with ``genericTickList`` 456.
* Errors and warnings will now log the contract they apply to.
* ``IB`` ``error()`` callback signature changed to include contract.
* Fix for issue 44.

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

* Historical ticks and realtime bars now return time in UTC.