NmraDcc Library updated to version 1.3.0

The NmraDcc library has been updated to version 1.3.0 and contains the following significant changes: Thanks to Franz-Peter Müller the core DCC decoding logic no longer uses the Timer0 Compare Match B interrupt and only relies on the INTx External Hardware Interrupt and the micros() library call for DCC signal decoding. This will make the library much more portable to…