def after_request_log(target_url, opts, response)
      <<-LOG
Finish request #{opts[:method].upcase} #{target_url} with #{response.code}
#{response.body}
      LOG
    end
def after_request_log(target_url, opts, response)
      <<-LOG
Finish request #{opts[:method].upcase} #{target_url} with #{response.code}
#{response.body}
      LOG
    end
TODO: improve heredoc formatting