Qtpylib

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- Bugfixes

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- Introduced an **all new** ``Workflow`` module for downloading, cleaning, preparing and uploading market data to the database
- Backtesting can now be done using CSV files (converted into a QTPyLib-compatible format using the ``Workflow`` module)
- Misc bugfixes and code improvements, cleanup and abstraction
- Requires ezIBpy >= 1.12.44

*December 12, 2016*

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- Bugfixes

*December 11, 2016*

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- ``Blotter`` automatically backfills missing historical data for back-testing (based on the ``start`` and ``end`` parameters) and live-trading (based on the ``preload`` parameter)
- Better local timezone detection
- Requires ezIBpy >= 1.12.42
- Misc bugfixes and code improvements/cleanup


**Note regarding backfilling:**
Backfilling is currently supported for strategies with 1-minute or higher resolution.
Historical data availability is subject to `Interactive Brokers Historical Data Limitation <https://www.interactivebrokers.com/en/software/api/apiguide/tables/historical_data_limitations.htm>`_.


*December 7, 2016*

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- Changed to lowercase ``utf-8`` encoding in file's header


*December 6, 2016*

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- Fixed bug introduced in version ``1.5.42a``