Fix bug with dead DNA not being removed from current gene pool
Fix bug with copied DNA being added to current gene pool twice
Slow motion speed setting
Halfway through a deep rewrite of the physics engine
Tighten code that calculates angle to target
Split ForceField into separate classes for translation and rotation
Remove strictfp constraints

They come with a 20% performance penalty, for a feature that might not
even be needed (deterministic repeatable experiments on different
processors). If I ever need that, I'll just find a way to check the CPU
precision and make it part of the experiment id.
Update backlog
Change .gep extension to .gpl

Easier to remember.