def method_missing(name, *args)
      name = name.to_s
      last_char = name[-1,1]
      super(name, *args) unless last_char == "=" || last_char == "?"
      attr_name = name[0..-2].to_sym # :foo for 'foo=' or 'foo?'
      if last_char == "="
        @options[attr_name] = args.at(0)
      else
        @options[attr_name]
      end
    end
def method_missing(name, *args)
      name = name.to_s
      last_char = name[-1,1]
      super(name, *args) unless last_char == "=" || last_char == "?"
      attr_name = name[0..-2].to_sym # :foo for 'foo=' or 'foo?'
      if last_char == "="
        @options[attr_name] = args.at(0)
      else
        @options[attr_name]
      end
    end
Used to lazily store/retrieve options that may be needed by plugins.
 We may want to capture, say, +log_file+ before actually loading the
 code that might care about such a concept.