def add_auth_details_to_options(args)
  if @auth_details
    options = {}
    if args.size > 1
      options = args[1]
    end
    if @auth_details.has_key? :access_token
      options[:headers] = {
        "Authorization" => "Bearer #{@auth_details[:access_token]}" }
    elsif @auth_details.has_key? :api_key
      if not options.has_key? :basic_auth
        options[:basic_auth] = {
          :username => @auth_details[:api_key], :password => 'x' }
      end
    end
    args[1] = options
  end
  args
end