Now update_sheet_info called only when user have current sheet.
Now update_sheet_info called only when user have current sheet.

webstream-io/jobsworth,webstream-io/jobsworth,rafaspinola/jobsworth,digitalnatives/jobsworth,rafaspinola/jobsworth,ari/jobsworth,xuewenfei/jobsworth,ari/jobsworth,webstream-io/jobsworth,webstream-io/jobsworth,ari/jobsworth,digitalnatives/jobsworth,rafaspinola/jobsworth,digitalnatives/jobsworth,ari/jobsworth,digitalnatives/jobsworth,digitalnatives/jobsworth,xuewenfei/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth