Party invite done, as well as chat. Fixed double output of say packets. Note: Still need to implement name version of invite!!!

FFXIVClassic World Server/Packets/WorldPackets/Receive/Group/GroupInviteResultPacket.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace FFXIVClassic_World_Server.Packets.WorldPackets.Receive.Group
+{
+    class GroupInviteResultPacket
+    {
+        public bool invalidPacket = false;
+
+        public uint groupType;
+        public uint result;
+
+        public GroupInviteResultPacket(byte[] data)
+        {
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryReader binReader = new BinaryReader(mem))
+                {
+                    try
+                    {
+                        groupType = binReader.ReadUInt32();
+                        result = binReader.ReadUInt32();
+                    }
+                    catch (Exception)
+                    {
+                        invalidPacket = true;
+                    }
+                }
+            }
+        }
+    }
+}