-Add Lemon as a scraper site.
-Allow for saving without a cover or one missing screenshot. Use "missing" for it instead. Makes it easier to add games where you don't have a cover for example.
-Keep gameinfo screens from PCU when deleting all games.
-Add option to only delete all games in the current game view.
-Only pre-select the empty fields for a game when opening the scraper dialog.
-Add REU support to system info flags from 1.5.1 release

-Bug: prg files for vic-20?