Tons of minor fixes

MistoxServer/Client/UDPClient.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Net;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace Mistox.Client {
@@ -7,38 +8,31 @@ namespace Mistox.Client {
 
         public string UserName { get; set; } = "";                          // The remote players UserName
         public bool Alive { get; set; } = true;                             // Is the connection alive
-        public IPEndPoint IPAddress { get; set; }                           // The remote IP Address
+        public IPEndPoint _remoteHost { get; set; }                         // The remote IP Address
 
-        IPEndPoint _remoteHost;
-        MistoxClient _parent;
+        private readonly SemaphoreSlim _sendLock = new SemaphoreSlim(1, 1);
+        private readonly MistoxClient _parent;
 
-        public mUDPClient( MistoxClient parent, IPAddress RemoteIP, int Port ) {
+        public mUDPClient( MistoxClient parent, IPEndPoint remoteHost ) {
             _parent = parent;
-            _remoteHost = new IPEndPoint( RemoteIP, Port );
+            _remoteHost = remoteHost;
             _parent.Alive = true;
         }
 
         public async Task Send<T>( T Data ) {
             byte[] byteData = DataPacket.Serialize( Data );
-            await _parent.ClientSocket.SendAsync( byteData, byteData.Length, _remoteHost );
-        }
-
-        public static UInt128 GetConnectionKey(IPAddress ipAddress) {
-            byte[] bytes = ipAddress.GetAddressBytes();
-            if (bytes.Length == 4) {
-                bytes = ipAddress.MapToIPv6().GetAddressBytes();
+            await _sendLock.WaitAsync();
+            try {
+                await _parent.ClientSocket.SendAsync( byteData, byteData.Length, _remoteHost );
+            } finally {
+                _sendLock.Release();
             }
-            return BitConverter.ToUInt128(bytes, 0);
-        }
-
-        public UInt128 GetConnectionKey() {
-            return GetConnectionKey( IPAddress.Address );
         }
 
         public void Dispose() {
             _parent.Alive = false;
             _parent.ClientSocket.Close();
-            _parent.ClientSocket = null;
+            _parent.ClientSocket.Dispose();
         }
     }
 }