Add support for fake IMU in case a real IMU is not connected
Set the discretes to match the final setup
Mirror full screen images (requires proper support of pi3d)
Adjust sprite location for mirrored view, and IMU parameters and axes
Add fire rumble
Mirror the displayed text strings
Fix the target position on the radar view
Add high score processing
Fix (or at least prevent) bullet-asteroid hit bug and adjust score position
Increase the rate as the score accumulate
Fine parameter tuning
Fix program crashes due to "unreturned asteroids". Requires support for clone() is pi3d.Shape
Fix the camera movement for hit asteroids
Start the game immediately after "GO"
Add version 1.9 of pi3d
Add project specific pi3d modifications (reverse texture, pickle support)