Revision history for Sub-Deferrable

0.05    12/15/2012
        Minor cleanup and kwalitee enhancements.

0.04    10/27/2012
        Switch to Build.PL and add author tests.

0.03    3/18/08
        "Optimize" undefer() by schwern

0.01    9/19/2006
        First version, released on an unsuspecting world.