# File lib/redgreen.rb, line 20
  def output_single(something, level=NORMAL)
    return unless (output?(level))
    something = case something
                when '.' then Color.green('.')
                when 'F' then Color.red("F")
                when 'E' then Color.yellow("E")
                else something
                end
    @io.write(something) 
    @io.flush
  end