def prepend_sprocket(name, options = {}, &block)
      create_sprocket(name, options, &block).tap do |sprocket|
        sprockets.unshift(sprocket).uniq!
      end
    end
def prepend_sprocket(name, options = {}, &block)
      create_sprocket(name, options, &block).tap do |sprocket|
        sprockets.unshift(sprocket).uniq!
      end
    end
Creates a Machined sprocket with the given +name+ and +options+
 and prepends it to the #sprockets list.