Added security support to custom messages

Author: TwoTenPvP

MLAPI/MonoBehaviours/Core/NetworkingManager.cs

@@ -174,7 +174,8 @@ internal void InvokeOnIncomingCustomMessage(uint clientId, Stream stream)
         /// <param name="clientIds">The clients to send to, sends to everyone if null</param>
         /// <param name="stream">The message stream containing the data</param>
         /// <param name="channel">The channel to send the data on</param>
-        public void SendCustomMessage(List<uint> clientIds, BitStream stream, string channel = "MLAPI_DEFAULT_MESSAGE")
+        /// <param name="security">The security settings to apply to the message</param>
+        public void SendCustomMessage(List<uint> clientIds, BitStream stream, string channel = null, SecuritySendFlags security = SecuritySendFlags.None)
         {
             if (!IsServer)
             {
@@ -185,14 +186,14 @@ public void SendCustomMessage(List<uint> clientIds, BitStream stream, string cha
             {
                 for (int i = 0; i < ConnectedClientsList.Count; i++)
                 {
-                    InternalMessageHandler.Send(ConnectedClientsList[i].ClientId, MLAPIConstants.MLAPI_CUSTOM_MESSAGE, channel, stream, SecuritySendFlags.None);
+                    InternalMessageHandler.Send(ConnectedClientsList[i].ClientId, MLAPIConstants.MLAPI_CUSTOM_MESSAGE, string.IsNullOrEmpty(channel) ? "MLAPI_DEFAULT_MESSAGE" : channel, stream, security);
                 }
             }
             else
             {
                 for (int i = 0; i < clientIds.Count; i++)
                 {
-                    InternalMessageHandler.Send(clientIds[i], MLAPIConstants.MLAPI_CUSTOM_MESSAGE, channel, stream, SecuritySendFlags.None);
+                    InternalMessageHandler.Send(clientIds[i], MLAPIConstants.MLAPI_CUSTOM_MESSAGE, string.IsNullOrEmpty(channel) ? "MLAPI_DEFAULT_MESSAGE" : channel, stream, security);
                 }
             }
         }
@@ -203,9 +204,10 @@ public void SendCustomMessage(List<uint> clientIds, BitStream stream, string cha
         /// <param name="clientId">The client to send the message to</param>
         /// <param name="stream">The message stream containing the data</param>
         /// <param name="channel">The channel tos end the data on</param>
-        public void SendCustomMessage(uint clientId, BitStream stream, string channel = "MLAPI_DEFAULT_MESSAGE")
+        /// <param name="security">The security settings to apply to the message</param>
+        public void SendCustomMessage(uint clientId, BitStream stream, string channel = null, SecuritySendFlags security = SecuritySendFlags.None)
         {
-            InternalMessageHandler.Send(clientId, MLAPIConstants.MLAPI_CUSTOM_MESSAGE, channel, stream, SecuritySendFlags.None);
+            InternalMessageHandler.Send(clientId, MLAPIConstants.MLAPI_CUSTOM_MESSAGE, string.IsNullOrEmpty(channel) ? "MLAPI_DEFAULT_MESSAGE" : channel, stream, security);
         }
 
         private void OnValidate()