gui: Clear logbox before displaying it
gui: Clear logbox before displaying it

adongy/spreads,miloh/spreads,DIYBookScanner/spreads,nafraf/spreads,DIYBookScanner/spreads,jbaiter/spreads,miloh/spreads,jbaiter/spreads,jbaiter/spreads,miloh/spreads,gareth8118/spreads,nafraf/spreads,adongy/spreads,nafraf/spreads,gareth8118/spreads,adongy/spreads,gareth8118/spreads,DIYBookScanner/spreads