Add perl 5.26/5.28 support.

Upgrade a couple of modules, deal with '.' not present in @INC,
captures returning undef rather than '', and a test.

1 files changed, 1 insertions, 0 deletions

diff --git a/t/i18n.t b/t/i18n.t
index 3984c91ce..54f0a0fc1 100644
--- a/t/i18n.t
+++ b/t/i18n.t
@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+use utf8;
 
 use Test::More;