New features include:
1. USB console works reliably now
2. Bluetooth console works reliably now
3. Flash file system has autoload capability - using filename "pbLuaStartup"
4. Added DisplayFlip() and DisplayInvert() so you can read the display upside down.
5. Added timer to PowerDown() so the NXT can shut off after n minutes of inactivity - you can disable it too
6. Added Reboot() function