Revision history

0.0002_03   2019-03-23
    - Simplify value comparison implementation.
    - Support both $TOLERANCE and $TOLERANCE_REL

0.0002_02   2019-02-01
    - Trying to fix a weird Safe::Isa $_DOES() on NetBSD.

0.0002_01   2019-01-14
    - Support PDL::DateTime better.
    - Update required version for Test2::V0 and Safe::Isa.

0.0002      2018-12-02
    - Reimplement many things.

0.0001      2018-10-28
    - First release.