def target=(target)
      if target.is_a? Symbol
        target = Object.const_get(target.to_s.upcase)
      end

      initialize(target, @level)
    end
def target=(target)
      if target.is_a? Symbol
        target = Object.const_get(target.to_s.upcase)
      end

      initialize(target, @level)
    end
Change log target (IO, path to a file as String, or Symbol for IO
 constant).