modified:   .path_progress
	modified:   about_class_methods.rb
	modified:   about_classes.rb
	modified:   about_dice_project.rb
	modified:   about_inheritance.rb
	modified:   about_modules.rb
	modified:   about_open_classes.rb
	modified:   about_sandwich_code.rb
	modified:   about_scope.rb
	modified:   about_scoring_project.rb