Revision history for Perl extension Btrees.

... #3 change 19157 edit on 2001/08/21 by ron@slb_ron (xtext)

        For Btrees, give credit where credit due.

... #2 change 7941 edit on 2001/01/15 by ron@slb_ron (xtext)

        Incorporated Btrees into address selection for memory fragment
        allocation.

... #1 change 7886 add on 2001/01/15 by ron@slb_ron (xtext)

        Added Btrees for an O(N) to log2N speedup for list data that must
        remain unique over the list.