Optimize Alpaca bar query
In this release we optimize the bar query from the Alpaca servers for high load algorithms.
Alpaca API supports up to 200 equities per one API query.
This release takes advantage of that feature to make the data query for high loads much faster.
What else
- pyup integration
- change the way the docker image is built. not using pipenv anymore.
- update alpaca-trade-api to v0.50.1