Change inventory id type to int

Author: SeanoNET

NetoDotNET/Entities/Product/Item.cs

@@ -15,7 +15,7 @@ public class Item
 
         public string SKU { get; set; }
 
-        public string InventoryID { get; set; }
+        public int InventoryID { get; set; }
 
         public string ParentSKU { get; set; }