code: func (media *StoryMedia) Next(params ...interface{}) bool {
  	if media.err != nil {
  		return false
  	}
  
  	insta := media.inst
  	endpoint := media.endpoint
  	if media.uid != 0 {
  		endpoint = fmt.Sprintf(endpoint, media.uid)
  	}
  
  	body, err := insta.sendSimpleRequest(endpoint)
  	if err == nil {
  		m := StoryMedia{}
  		err = json.Unmarshal(body, &m)
  		if err == nil {
  			// TODO check NextID media
  			*media = m
  			media.inst = insta
  			media.endpoint = endpoint
  			media.err = ErrNoMore // TODO: See if stories has pagination
  			media.setValues()
  			return true
  		}
  	}
  	media.err = err
  	return false
  }
docs: // Next allows pagination after calling:
  // User.Stories
  //
  //
  // returns false when list reach the end
  // if StoryMedia.Error() is ErrNoMore no problem have been occurred.