Add list subtraction in both places this time

Author: cheese3660

src/PatchManager.SassyPatching/Nodes/Expressions/Unary/ImplicitSubtract.cs

@@ -33,6 +33,13 @@ internal override DataValue GetResult(DataValue leftHandSide, DataValue rightHan
             return leftHandSide.Integer - rightHandSide.Real;
         }
 
+        
+        if (leftHandSide.IsList && rightHandSide.IsList)
+        {
+            return leftHandSide.List.Where(x => rightHandSide.List.All(y => x != y)).ToList();
+        }
+
+        
         throw new BinaryExpressionTypeException(Coordinate,"subtract", leftHandSide.Type.ToString(),
             rightHandSide.Type.ToString());
     }