lib/htmless/abstract.rb
def render(object, method, *args, &block)
      object.__send__ method, self, *args, &block
      self
    end
def render(object, method, *args, &block)
      object.__send__ method, self, *args, &block
      self
    end
renders +object+ with +method+
 @param [Object] object an object to render
 @param [Symbol] method a method name which is used for rendering
 @param args arguments passed to rendering method
 @yield block passed to rendering method