0.02: Tweaks to make flappy bird run with less RAM available
0.03: A few tweaks to improve rendering speed
0.04: Add "ram" keyword to allow 2v06 Espruino builds to cache function that needs to be fast
0.05: Don't use Bangle.setLCDMode, just use offscreen buffer (allows widgets)
0.06: Bangle.js 2 enhancements - remove offscreen buffer and render direct