lua: return ok=nil instead of ok=false
lua: return ok=nil instead of ok=false

kod3r/splash,pawelmhm/splash,pombredanne/splash,kod3r/splash,dwdm/splash,kmike/splash,pombredanne/splash,Youwotma/splash,kmike/splash,sunu/splash,sunu/splash,pawelmhm/splash,kod3r/splash,kmike/splash,pawelmhm/splash,pombredanne/splash,dwdm/splash,Youwotma/splash,dwdm/splash,sunu/splash,Youwotma/splash