jrbalsano/gunslinger — pull request #1 by jl3931 (2013-09-11 14:18:21+00:00)
Title: Lots of modifications: comments, constants, etc

The logic is to assign weight to each potential target, and roll a biased dice.
probability for no shoot decrease overtime, while probability for shooting nutral increse. This is because in the late game, you start to want to kill everyone, after your enemy is dead.