Add getTimeout accessor method.

Author: mattb5906

cores/arduino/Stream.h

@@ -66,6 +66,7 @@ class Stream : public Print
 // parsing methods
 
   void setTimeout(unsigned long timeout);  // sets maximum milliseconds to wait for stream data, default is 1 second
+  unsigned long getTimeout(void) { return _timeout; }
 
   bool find(char *target);   // reads data from the stream until the target string is found
   bool find(uint8_t *target) { return find ((char *)target); }