Follow the example set by elixir's use of FileInfo and use elixir-y names for refs and objects, and convert them to :geef_reference and :geef_object when we pass them down to erlang geef.
Follow the example set by elixir's use of FileInfo and use elixir-y names for refs and objects, and convert them to :geef_reference and :geef_object when we pass them down to erlang geef.