You can clone with
[enh] eating and mating depends on zone
[enh] added world class - prelude to genetics. ;)
[enh] split up swarm.py - species are in a separate file.
[mod] tweaked params for weaker plankton
[enh] added stats, growing system
[enh] added mating+feeding zones, hunger and other tweaks
[enh] refactored species
[enh] added race handling
[enh] smallish changes
[enh] added psyco
[enh] added vector class + gravity to initial movement calculation.
[enh] swarm.py added