Added leaf collecting permissions for snake, for easier debug (i.e. so snakes won't ZOOOOOOOooooooOOOOOOm around everywhere all the time.
Gave the item spawning amounts constants and placed it in locals.py for easier editting (i.e. so you dont have to muddle through teh for loops everytime you wanna deactivate fireblooms or spawn 300 leaves for moar speed boosts)