code: def load_keymap(map) #:nodoc:
        @maps ||= Hash.new
        if @maps[map].nil? && File.file?(File.join(self.storage_path, map.to_s + "_map.yml"))
          @maps[map] = YAML.load(File.open(File.join(self.storage_path, map.to_s + "_map.yml")))
          logger.debug("#{self.class.to_s} lazy loaded #{map} successfully.")
        end
      end
docs: Lazy loader...