Software serial causing FIFO_FULL requiring flashing to fix

Thanks @MaBe! Functionally, what does delaying the save do?

Regarding software serial, it seems to work! I got the info from here: https://www.espruino.com/USART#software-serial

As of Espruino v2.00 you can set up 'software serial'...

That said, I am using Flasher.js to flash my boards, so maybe that is getting the cutting edge build! I'll check...