Cancel added

Streaming.h

@@ -102,6 +102,7 @@ namespace stream
 			void AsyncReceive (const Buffer& buffer, ReceiveHandler handler, int timeout = 0);
 
 			void Close ();
+			void Cancel () { m_ReceiveTimer.cancel (); };
 
 			size_t GetNumSentBytes () const { return m_NumSentBytes; };
 			size_t GetNumReceivedBytes () const { return m_NumReceivedBytes; };