Merge branch 'master' of gitosis@yap.dcc.fc.up.pt:yap-6

Conflicts:
	library/wundgraphs.yap

library/apply_macros.yap

@@ -4,6 +4,8 @@
 %   Purpose: Macros to apply a predicate to all elements
 %            of a list or to all sub-terms of a term.
 
+:- module(apply_macros, []).
+
 :- reexport(maplist, [selectlist/3,
 			 checklist/2,
 			 maplist/2,

library/wundgraphs.yap

@@ -11,9 +11,7 @@
 	    wundgraph_del_edges/3,
 	    wundgraph_del_vertex/3,
 	    wundgraph_edges/2,
-	    wundgraph_neighbors/3,
 	    wundgraph_neighbours/3,
-	    wundgraph_wneighbors/3,
 	    wundgraph_wneighbours/3,
 	    wundgraph_min_tree/3,
 	    wundgraph_max_tree/3]).