Revision history for psort.
0.12    2023-05-31
        - add -X option
0.11    2023-02-09
        - fix --rx option without capture groups
        - warn if --rx was used wrongly (i.e. with /.../)
0.10    2022-12-06
        - --rx option
0.09    2018-10-28
        - just a minor Pod change
0.08    2017-03-19
        - fix wrong regexp for detecting non-printables
0.07    2016-06-04
        - -u option (with special meaning for -u -c)
0.06    2015-10-04
        - -m option (provided by perlancar)
        - "prove -l" works now without a blib (provided by perlancar)
0.05    2015-04-20
        - -M option behaves like perl's regarding missing import list
0.04    2013-11-29
        - added README and Changes
0.03    2013-11-29
        - minor Pod fix
0.02    2011-12-26
        - first non-devel version