0.5.1

Fix problems on 10.15.4.

0.3

Add

1. Sub menu to organize menu items better.
2. "History Wallpapers"
3. "Launch at startup"

0.2.1

Fix "Auto Update" state wrong.

0.2.0

Added

1. "Auto Update" config menu item.
2. "Random" menu item.

Fixed

1. Auto update failed after system sleep.