* add splits feature
* add tests
* add splits to integrated tests
* Add splits hugo
* Update _index.md
* refactor econometrics style
* rewrite stocks/fa tests
* Implement market cap command (#1437) (#1440)
* add gst letters only
* implement market cap command
* add tests
* update hugo with mktcap cmd
* add mktcap to integrated tests
* Update _index.md
* update test fa data
* Update fa_controller.py
* fix tests fmp
* fx some of the av tests
* add export capability to AV earnings
* fix test_fa_controller
* fix source in options controller
* fix tests with Chavhi help
* fix test