Twitter feed: try to avoid duplicate by using max_id if oldest_id is available.
Twitter feed: try to avoid duplicate by using max_id if oldest_id is available.

1flow/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow,WillianPaiva/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow