Attempt to handle unicode value in SDL keyboard handler. (Fixes keyboard in stella)
Attempt to handle unicode value in SDL keyboard handler. (Fixes keyboard in stella)

twinaphex/sdcell,twinaphex/sdcell,twinaphex/sdcell,twinaphex/sdcell,twinaphex/sdcell,twinaphex/sdcell,twinaphex/sdcell,twinaphex/sdcell