updated the script for light exporter there were some problems
updated the script for light exporter there were some problems

grit-engine/grit-engine,sparkprime/grit-engine,sparkprime/grit-engine,grit-engine/grit-engine,grit-engine/grit-engine,sparkprime/grit-engine,sparkprime/grit-engine,grit-engine/grit-engine