message: add field list
diff: @@ -668,9 +668,12 @@ function Facebookbot(configuration) {
  }
  };
  - var user_profile = function(uid, cb) {
  + var user_profile = function(uid, fields, cb) {
  + if (!fields) {
  + fields = 'first_name,last_name,timezone,gender,locale';
  + }
  return new Promise(function(resolve, reject) {
  - var uri = 'https://' + api_host + '/v2.6/' + uid + '&access_token=' + configuration.access_token;
  + var uri = 'https://' + api_host + '/v2.6/' + uid + '?fields=' + fields + '&access_token=' + configuration.access_token;
  request.post(uri, {},
  function(err, res, body) {
  if (err) {
  