Normalize path separators when storing `main` in package metadata
Normalize path separators when storing `main` in package metadata

decaffeinate-examples/atom,stinsonga/atom,CraZySacX/atom,PKRoma/atom,kevinrenaers/atom,Mokolea/atom,stinsonga/atom,ardeshirj/atom,Mokolea/atom,stinsonga/atom,brettle/atom,FIT-CSE2410-A-Bombs/atom,AlexxNica/atom,sotayamashita/atom,Arcanemagus/atom,andrewleverette/atom,kevinrenaers/atom,decaffeinate-examples/atom,kevinrenaers/atom,FIT-CSE2410-A-Bombs/atom,ardeshirj/atom,AlexxNica/atom,Arcanemagus/atom,stinsonga/atom,atom/atom,brettle/atom,liuderchi/atom,brettle/atom,xream/atom,sotayamashita/atom,ardeshirj/atom,AlexxNica/atom,CraZySacX/atom,CraZySacX/atom,FIT-CSE2410-A-Bombs/atom,andrewleverette/atom,andrewleverette/atom,Arcanemagus/atom,decaffeinate-examples/atom,t9md/atom,t9md/atom,liuderchi/atom,Mokolea/atom,liuderchi/atom,atom/atom,decaffeinate-examples/atom,PKRoma/atom,sotayamashita/atom,xream/atom,PKRoma/atom,atom/atom,liuderchi/atom,t9md/atom,xream/atom