Query params aren’t sent properly about spotify-web-api-node HOT 2 CLOSED

var spotifyApi = new SpotifyWebApi({
  clientId : '<something>',
  clientSecret : '<something>'
});

spotifyApi.clientCredentialsGrant()
  .then(function(data) {
    spotifyApi.setAccessToken(data.body['access_token']);
    return spotifyApi.getPlaylistTracks('jmperezperez', '6pasABEDetvB8I2vh9avye', {
      offset: 5,
      limit: 10
    });
  }).then(function(data) {
    console.log(data.body);
  }).catch(function(err) {
    console.log('Unfortunately, something has gone wrong.', err.message);
  });

{ href: 'https://api.spotify.com/v1/users/jmperezperez/playlists/6pasABEDetvB8I2vh9avye/tracks?offset=5&limit=10',
  items:
   [ { added_at: '2016-08-15T14:49:51Z',
       added_by: [Object],
       is_local: false,
       track: [Object] },
      ...
     { added_at: '2016-08-15T14:49:51Z',
       added_by: [Object],
       is_local: false,
       track: [Object] } ],
  limit: 10,
  next: 'https://api.spotify.com/v1/users/jmperezperez/playlists/6pasABEDetvB8I2vh9avye/tracks?offset=15&limit=10',
  offset: 5,
  previous: 'https://api.spotify.com/v1/users/jmperezperez/playlists/6pasABEDetvB8I2vh9avye/tracks?offset=0&limit=5',
  total: 25 }