Started implementing ability to load custom config files (currently unstable).

Feel free to help out with this if you like :)

modules/corelib/util.lua

@@ -284,6 +284,10 @@ function numbertoboolean(number)
   end
 end
 
+function postostring(pos)
+  return pos.x .. " " .. pos.y .. " " .. pos.z
+end
+
 function signalcall(param, ...)
   if type(param) == 'function' then
     local status, ret = pcall(param, ...)