Update buildmsi to new pynsist API
Update buildmsi to new pynsist API

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