+ * Revision 1.15 2002/10/20 01:12:31 mdw
+ * Two's complement I/O fixes.
+ *
+ * Revision 1.14 2002/10/19 18:55:08 mdw
+ * Fix overflows in shift primitives.
+ *
+ * Revision 1.13 2002/10/19 17:56:50 mdw
+ * Fix bit operations. Test them (a bit) better.
+ *