Lots of minor changes.  Note for mappingobject.c: the hash table pointer
can now be NULL.
diff --git a/Objects/stringobject.c b/Objects/stringobject.c
index 359e4e9..ae96cea 100644
--- a/Objects/stringobject.c
+++ b/Objects/stringobject.c
@@ -159,7 +159,7 @@
 	DEL(op);
 }
 
-unsigned int
+int
 getstringsize(op)
 	register object *op;
 {