Add splits command (#1438)

* 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

scripts/test_stocks_fa.gst

@@ -70,5 +70,6 @@ income
 balance
 cash
 dcf
+splits
 mktcap
 exit