add better entry for MarketSell

MarketSellEntry.cs

@@ -1,11 +1,46 @@
 namespace EDJournal {
     public class MarketSellEntry : Entry {
-        private int totalsale = 0;
+        /// <summary>
+        /// Total value
+        /// </summary>
+        public int TotalSale { get; set; }
+        /// <summary>
+        /// How many.
+        /// </summary>
+        public int Count { get; set; }
+        /// <summary>
+        /// Average price paid
+        /// </summary>
+        public int AvgPricePaid { get; set; }
+        /// <summary>
+        /// Cargo type
+        /// </summary>
+        public string Type { get; set; }
+        /// <summary>
+        /// Price per unit
+        /// </summary>
+        public int SellPrice { get; set; }
+        /// <summary>
+        /// Whether the goods were illegal in the target system.
+        /// </summary>
+        public bool IllegalGoods { get; set; }
+        /// <summary>
+        /// Whether the goods were stolen
+        /// </summary>
+        public bool StolenGoods { get; set; }
+        /// <summary>
+        /// Whether the goods were sold to the black market
+        /// </summary>
+        public bool BlackMarket { get; set; }
 
         protected override void Initialise() {
-            totalsale = JSON.Value<int>("TotalSale");
+            Type = JSON.Value<string>("Type") ?? "";
+            TotalSale = JSON.Value<int?>("TotalSale") ?? 0;
+            Count = JSON.Value<int?>("Count") ?? 0;
+            AvgPricePaid = JSON.Value<int?>("AvgPricePaid") ?? 0;
+            IllegalGoods = JSON.Value<bool?>("IllegalGoods") ?? false;
+            StolenGoods = JSON.Value<bool?>("StolenGoods") ?? false;
+            BlackMarket = JSON.Value<bool?>("BlackMarket") ?? false;
         }
-
-        public int TotalSale => totalsale;
     }
 }