Trying to add list_universes method.
Trying to add list_universes method.

Want a method that returns a list of the names of all defined universes.
Useful.

datreant/datreant,datreant/datreant.core,datreant/datreant.data,datreant/datreant.core,dotsdl/datreant,andreabedini/datreant,datreant/datreant