Add files via upload

src/Exact Types/MultiplayerSummary.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace Kalakoi.Xbox.OpenXBL
+{
+    public class MultiplayerSummary
+    {
+        public bool InMultiplayerSession { get; set; }
+        public bool InParty { get; set; }
+
+        public static MultiplayerSummary DeserializeJSON(string JSON) => DeserializeJSON(JObject.Parse(JSON));
+
+        public static MultiplayerSummary DeserializeJSON(JToken token)
+        {
+            MultiplayerSummary c = new MultiplayerSummary()
+            {
+                InMultiplayerSession = ((int)token.SelectToken("InMultiplayerSession") > 0),
+                InParty = ((int)token.SelectToken("InParty") > 0)
+            };
+            return c;
+        }
+    }
+}