qpkg/: committed some old changes (non-functional)

- TODO: various updates
- pkg.h (enum relop): marked rel_lt as deprecated
- prereq.c (resolve): instrumentation for chasing a dependencies bug

qpkg/pkg.h

@@ -31,7 +31,7 @@ enum relop {
 	rel_eq,		/* =  */
 	rel_ge,		/* >= */
 	rel_gg,		/* >> */
-	rel_lt,		/* <  */
+	rel_lt,		/* <  DEPRECATED */
 	rel_le,		/* <= */
 	rel_ll,		/* << */
 };