Ezibpy

-------
- ``createBracketOrder()`` and ``modifyStopOrder()`` accept ``transmit`` parameter. Defaults to ``True``.
- Contract collector holds latest contract data
- Error codes 202 (cancelled order) and 2109 (Outside RTH ignored) code added to ``BENIGN_ERROR_CODES``

-------
- Option to convert historical data to UTC using ``requestHistoricalData(..., utc=True)``. Defaults to ``False``.

-------
- Bugfix in log_msg (issue 16)
- Checks for Python >= 3.4
- Better (not perfect) PEP8 compliance

-------
- Cleaner code

-------
- Fixed bug in ``handleOrders`` logger (bug introduced in version 1.12.47)

-------
- Uses contract symbol in log message instead of contract object string (fix issue 13)
- Added Python 3.6 to ``pip`` setup