Fixed the scripts struggling with nested API tables

I actually don't remember what the RoomData's lua references where for,
but I'm pretty srue it wasn't this. I'll figure something out when I've
had a sleep.

rsc/scripts/map_saver.lua

@@ -1 +1,3 @@
---TODO: create a flexible saving & loading system
+local mapSaver = {}
+--TODO: create a flexible saving & loading system
+return mapSaver