1.2.0

Added

• Add WEBP support. Thank's to @olokelo.
• Add Croatian translation. Thank's to @milotype.

Changed

• Update Spanish translation. Thank's to @oscfdezdz.
• Update Portuguese (Brazil) translation. Thank's to @fulvio-alves.
• Don't accept empty file. Thank's to @akozlovskiy119.
• Better guess of extensions. Thank's to @akozlovskiy119.

Fixed

• Use correct file listing format for drag-and-drop. Thank's to @akozlovskiy119.
• Fix directory handling. Thank's to @akozlovskiy119.
• Fix missing icon in LXQt, MATE, XFCE (#76). Thank's to @apandada1.