Handle multiple stop limits for single symbol.

MarketDataLib/MarketDataModel/StopLimit.cs

@@ -11,4 +11,19 @@ namespace MarketData.MarketDataModel
     public String StopType{get;set;}
     public int Active{get;set;}
   }
+
+  public class StopLimits : List<StopLimit>
+  {
+    public StopLimits()
+    {
+    }
+    public StopLimits(List<StopLimit> stopLimits)
+    {
+      foreach(StopLimit stopLimit in stopLimits) Add(stopLimit);
+    }
+    public void Add(StopLimits stopLimits)
+    {
+      foreach(StopLimit stopLimit in stopLimits)this.Add(stopLimit);
+    }
+  }
 }