void _listener_OnConnect(Client client)
        {
            client.OnPolicyRequest += new Client.OnPolicyRequestDelegate(client_OnPolicyRequest);
            client.OnDisconnect += new Client.OnDisconnectDelegate(client_OnDisconnect);
            client.Start();
            Statistics.AddConnectedClient();

            lock (_cleanupPool)
            {
                _cleanupPool.Add(client.UniqueId, new CleanupEntry() { Client = client, TimeOfInsertion = DateTime.Now });
            }
        }