Account to be included on each import item, not just on the aggr group

InternalUtilities/ImportItem.cs

@@ -0,0 +1,18 @@
+using System;
+using AudibleApiDTOs;
+
+namespace InternalUtilities
+{
+	public class ImportItem
+	{
+		public Item DtoItem { get; set; }
+		public Account Account { get; set; }
+
+		public ImportItem() { }
+		public ImportItem(Item dtoItem, Account account)
+		{
+			DtoItem = dtoItem;
+			Account = account;
+		}
+	}
+}