Fixed rabbit_test.go. Adding state machine module and test file.
Updated test files. State test now has calls to t.Errorf.
Added state machine initialization for rabbits.
Added a ShouldTransition for transitions that have a chance to work. Cleaned up some rabbit code.
Refactoring some rabbit code involing state and performing actions.
Updated README.
Added rabbit track variables.
Added a function to check if tracks exist at a location. Added logic to main to display tracks when found.
Added rabbit tracks that fade over time in forest.
Rabbit tracks now have a direction that the rabbit headed.
The play is now notified of the direction of rabbit tracks.
Fixed a bug with not saving tracks.
Changed the lifetime of rabbit tracks.
Updated README.