address comments -- readme and change vix call

gamestonk_terminal/README.md

@@ -14,7 +14,7 @@
 * [Comparison Analysis](#Comparison-Analysis-)
 * [Exploratory Data Analysis](#Exploratory-Data-Analysis-)
 * [Residual Analysis](#Residual-Analysis-)
-* [FRED](#FRED-)
+* [Economic Data](#Econ-)
 * [Options](#Options-)
 * [Screener](#Screener-)
 * [Forex](#Forex-)
@@ -323,9 +323,10 @@ Command|Description|Source
 `independence`  |tests independent and identically distributed (BDS) | [Wikipedia](https://en.wikipedia.org/wiki/Pearson%27s_chi-squared_test#Testing_for_statistical_independence)
 
  
-## FRED [»](econ/README.md)
+## ECON [»](econ/README.md)
 Command|Description
 ------ | --------
+FRED Data     |
 `gdp`           | GDP
 `unemp`         | Unemployment Rate
 `t1`            | 1-Year Treasury Constant Maturity Rate
@@ -337,7 +338,8 @@ Command|Description
 `moodAAA`       | Moody's Seasoned AAA Corporate Bond Yield
 `usdcad`        | Canada / U.S. Foreign Exchange Rate (CAD per 1 USD)
 `cust`          | User Specified FRED Data - Please Specify --id
-
+VIX Data        |
+`view`          | Plots VIX Historical Data
  
 
 ## Options [»](options/README.md)

gamestonk_terminal/econ/README.md

@@ -1,5 +1,7 @@
 # ECON
 
+## FRED
+
 https://fred.stlouisfed.org
 
 The purpose of fred is to have the ability to look at economic data.  This page offers 2 options:
@@ -121,4 +123,12 @@ Date
 2021-03-11   1.1978
 ````
 
-Note the NaN on 2-15, which corresponds to President's Day.
+Note the NaN on 2-15, which corresponds to President's Day.
+
+## VIX
+
+This command pulls historical VIX data from yfinance module.
+````
+usage: view [-s START_DATE]
+````
+* -s Start date to plot historical VIX data

gamestonk_terminal/econ/econ_controller.py

@@ -50,9 +50,10 @@ class EconController:
         print("   q             quit this menu, and shows back to main menu")
         print("   quit          quit to abandon program")
         print(" ")
-        print("VIX:\n")
+        print("VIX:")
         print("   view          plot VIX")
-        print("FRED:\n")
+        print(" ")
+        print("FRED:")
         print("   gdp           GDP")
         print("   unemp         Unemployment Rate")
         print("   t1            1-Year Treasury Constant Maturity Rate")
@@ -95,9 +96,6 @@ class EconController:
         if known_args.cmd in fred_data_list:
             return getattr(self, "call_fred_api")(other_args, known_args.cmd)
 
-        if known_args.cmd in vix_command_list:
-            return getattr(self, "call_VIX")(other_args, known_args.cmd)
-
         return getattr(
             self, "call_" + known_args.cmd, lambda: "Command not recognized!"
         )(other_args)
@@ -118,12 +116,9 @@ class EconController:
         """Process Fred Data call"""
         fred_view.get_fred_data(other_args, cmd)
 
-    def call_VIX(self, other_args: List[str], cmd: str):
-        """Process a VIX Call."""
-        if cmd == "view":
-            vix_view.view_vix(other_args)
-        else:
-            print("The command selected doesn't exist\n")
+    def call_view(self, other_args: List[str]):
+        """Process view for VIX Data."""
+        vix_view.view_vix(other_args)
 
     def call_cust(self, other_args: List[str]):
         """Process cust call"""
@@ -134,9 +129,7 @@ def menu():
     """Econ Menu"""
 
     econ_controller = EconController()
-
     plt.close("all")
-
     econ_controller.print_help()
 
     # Loop forever and ever