fun print_list(list_title: nullable String, list_items: nullable Array[MEntity], no_color: nullable Bool) do
		if list_title != null then
			if no_color == null or not no_color then
				print list_title.bold
			else
				print list_title
			end
			print ""
		end
		if list_items != null and list_items.not_empty then
			for mentity in list_items do
				print mentity.cs_list_item(no_color)
				print ""
			end
		else
			print "None."
		end
	end