adding .NET 4 Framework compile to Nuget

Source/Feeds/Alphavantage_Feed.cs

@@ -9,7 +9,7 @@ Alphavantage - Free API to collect 100 recent daily quotes. It requires a (free)
         Symbol: stock ("AAPL"),
         APIkey: unique Alphavantage API key
 
-</summary> */
+</summary> 
 
 public class Alphavantage_Feed : TBars
 {
@@ -53,3 +53,4 @@ public class Alphavantage_Feed : TBars
         return (date, o, h, l, c, v);
     }
 }
+*/

Source/Feeds/Yahoo_Feed.cs

@@ -10,7 +10,7 @@ Yahoo Finance - Free API feed to collect daily market quotes
     Usage:
         Yahoo_Feed ticker = new("MSFT", 20)
 
-</summary> */
+</summary> 
 
 public class Yahoo_Feed : TBars
 {
@@ -45,4 +45,5 @@ public class Yahoo_Feed : TBars
             base.Add(d, o, h, l, c, v);
         }
     }
-}
+}
+*/