It seems I messed up version 1v56 (literally just a few minutes ago) - I've now pulled it back though.
To recover from flashing the broken version, follow "I tried to reflash my Espruino Board, and now it won't work" under http://www.espruino.com/Troubleshooting
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
It seems I messed up version 1v56 (literally just a few minutes ago) - I've now pulled it back though.
To recover from flashing the broken version, follow "I tried to reflash my Espruino Board, and now it won't work" under http://www.espruino.com/Troubleshooting