* refactor of Contact/Client out_path_len (stored in files), from signed to unsigned byte (+2 squashed commits)

Squashed commits:
[f326e25] * misc
[fa5152e] * new 'path mode' parsing in Dispatcher

src/Dispatcher.h

@@ -184,6 +184,7 @@ public:
   unsigned long futureMillis(int millis_from_now) const;
 
 private:
+  bool tryParsePacket(Packet* pkt, const uint8_t* raw, int len);
   void checkRecv();
   void checkSend();
 };