Don't send empty worldfiles
Don't send empty worldfiles

Closes #249

LukeWoodward/rg2,MaBreaker/rg2,MaBreaker/rg2,Maprunner/rg2,Maprunner/rg2,LukeWoodward/rg2,MaBreaker/rg2,LukeWoodward/rg2,Maprunner/rg2