+ * Revision 1.6 1998-03-18 09:23:55 adam
+ * Blocks are stored in chunks on free list - up to factor 2 in speed.
+ * Fixed bug that could occur in block category rearrangemen.
+ *
+ * Revision 1.5 1998/03/16 10:37:24 adam
+ * Added more statistics.
+ *
+ * Revision 1.4 1996/11/08 11:15:28 adam