Add arrow key support
Add arrow key support

zakeer/superslides,hamednourhani/superslides,aphelion/superslides,hamednourhani/superslides,nicinabox/superslides,flashadicts/superslides,icao/superslides,jpliew/superslides,jpliew/superslides,icao/superslides,nicinabox/superslides,zakeer/superslides,aphelion/superslides,flashadicts/superslides