I've merged the unlimited code into the master branch on github. It is NOT compatible with the older code, and will cause problems if you use it with an existing world. If you want to continue using the older code, use the "old" branch.
The newer code seems to be reasonably stable now. It allows you to set the size of pods in all three axes and the distance between them. Players will spawn inside a pod, rather than on a bridge.
Do not change the pod size for an existing world. Bad things will happen.