(3.0.0) When there are no stats, archive shouldn't create empty CSV files xibosignage/xibo#2513
(3.0.0) When there are no stats, archive shouldn't create empty CSV files xibosignage/xibo#2513

dasgarner/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms