simplified matrix code
finished food_chain
cleaning animals on food chain
improved food_chain code.  It's much, much longer now, but hopefullly more readable and also more semantic.  I added a class for verse that may clear some things up.
improved food_chain code.  It's much, much longer now, but hopefullly more readable and also more semantic.  I added a class for verse that may clear some things up.
completed draft of food chain code
improving twelve_days