adding '::' as shorthand for '.prototype.'

examples/code.coffee

@@ -141,18 +141,18 @@ aliquam erat volutpat. Ut wisi enim ad."
 
 # Inheritance and calling super.
 Animal: =>
-Animal.prototype.move: meters =>
+Animal::move: meters =>
   alert(this.name + " moved " + meters + "m.")
 
 Snake: name => this.name: name
 Snake extends Animal
-Snake.prototype.move: =>
+Snake::move: =>
   alert('Slithering...')
   super(5)
 
 Horse: name => this.name: name
 Horse extends Animal
-Horse.prototype.move: =>
+Horse::move: =>
   alert('Galloping...')
   super(45)