def reload!
      # TODO what happens with newly loaded classes
      @action_classes = @action_classes.map do |klass|
        begin
          Utils.constantize(klass.to_s)
        rescue NameError
          nil # ignore missing classes
        end
      end.compact
      middleware.clear_cache!
      calculate_subscription_index
    end
def reload!
      # TODO what happens with newly loaded classes
      @action_classes = @action_classes.map do |klass|
        begin
          Utils.constantize(klass.to_s)
        rescue NameError
          nil # ignore missing classes
        end
      end.compact
      middleware.clear_cache!
      calculate_subscription_index
    end
reload actions classes, intended only for devel