[0.11] ...
        - Added -cleanee option to specify the package to clean.
        - Added n:c->clean_subroutines($cleanee, @subs).

    [0.10] Fri Feb 20 14:31:36 CET 2009
        - Depend on B::Hooks::EndOfScope 0.07 to avoid segfaults and lost error
          messages when something goes wrong.

    [0.09] Wed Oct 22 17:48:49 CEST 2008
        - Use B::Hooks::EndOfScope instead of %^H + Scope::Guard.

    [0.08] Sun Mar  9 22:01:01 CET 2008
        - Added explicit cleanup behaviour

    [0.07] Sun Mar  9 20:13:33 CET 2008
        - Switched from Filter::EOF to a much saner implementation via
          %^H and Scope::Guard. (mst & autobox)++ for this.

    [0.06] Wed Feb 20 15:09:00 CET 2008
        - Fixed 'uninitialized value in ref-to-glob cast' error
          if unimport was used before.

    [0.05] Sun Aug 12 18:24:49 CEST 2007
        - Minor POD improvements
        - -except now accepts a single value too

    [0.04] Sat Mar 17 16:22:10 CET 2007
        - Added -except flag
        - Non-CODE type slots will not be removed

    [0.03] Sat Feb 24 22:34:55 CET 2007
        - Minor comment and POD cleanups
        - Tried to clarify how the module works

    [0.02] Tue Feb 20 00:38:24 CET 2007
        - Added unimport behaviour

    [0.01] Sun Feb 18 17:33:18 CET 2007
        - Initial Version