custom firmware mac address

build_flags_template
disabling freeram print
removing CR if no previous thermostat printing

lighthub/utils.h

@@ -25,3 +25,4 @@ void SetAddr(char * out,  uint8_t* addr);
 uint8_t HEX2DEC(char i);
 int getInt(char ** chan);
 unsigned long freeRam ();
+void parseBytes(const char* str, char separator, byte* bytes, int maxBytes, int base);