Make it more erlang-esque

pmods are going away, use prefixed namespaces.

src/geef.erl

@@ -1,9 +1,13 @@
 -module(geef).
--export([hex_to_raw/1, repository/1, repository_get_path/1, repository_get_odb/1,
-	 repository_init/2, repository_is_bare/1, repository_get_workdir/1, reference_list/1,
+-export([hex_to_raw/1, reference_list/1,
 	 reference_to_id/2, reference_glob/2, reference_lookup/2, reference_resolve/1,
 	 reference_id/1, reference_type/1, odb_object_exists/2]).
 
+% repository operations
+-export([repository_get_path/1, repository_get_odb/1, repository_open/1, repository_init/2,
+	 repository_is_bare/1, repository_get_workdir/1]).
+
+% oid parsing
 -export([oid_fmt/1, oid_parse/1]).
 
 -on_load(load_enif/0).
@@ -50,14 +54,6 @@ reference_resolve(_Handle) ->
 reference_type(_Handle) ->
     nif_error(?LINE).
 
-repository(Path) ->
-    case repository_open(Path) of
-	{ok, Handle}  ->
-	    repository:new(Handle);
-	Other ->
-	    Other
-    end.
-
 odb_object_exists(_Val, _Val) ->
     nif_error(?LINE).