Test Plan:
Check the following files have been updated from
use strict;
use warnings;
to
use Modern::Perl;
400.pl
401.pl
402.pl
403.pl
404.pl
500.pl
Signed-off-by: Jon Knight <J.P.Knight@lboro.ac.uk>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>