Merge pull request #2 from adamreis/samara

Initial smart player follows closest rat
player will only pursue rats on the right side of the fence
minor refactor
Merge pull request #3 from adamreis/adam

player will only pursue rats on the right side of the fence
Made pipers continue all the way to the left wall
Merge branch 'master' of https://github.com/adamreis/pied-pipers into samara