Refactoring of moveTo() & walkTo() methods in Animal class
Changed dead circular animals colour
CircularAnimal refactoring
Fixed wrong frequencies
Changed PSoundPlayer playNote() method to reflect real passed note
frequency
Doubled sound wave size
CircularAnimal refactoring
Circular animals can play songs
Circular animals learn notes when hit another circular animals
Refactoring
Three singing mode for circular animals: chord, sequence and intervals