def writers
      doc.css("h4:contains('Writing')").first.next_element.css('a[@href^="/name/nm"]').map { |w|
        profile = w['href'].match(/\/name\/nm([0-9]+)/)[1] rescue nil
        IMDB::Person.new(profile) unless profile.nil?
      }
    end
def writers
      doc.css("h4:contains('Writing')").first.next_element.css('a[@href^="/name/nm"]').map { |w|
        profile = w['href'].match(/\/name\/nm([0-9]+)/)[1] rescue nil
        IMDB::Person.new(profile) unless profile.nil?
      }
    end
Writer List
 @return [Array]