added perl version check, some other tinkering

diff --git a/lib/Keyword.pm b/lib/Keyword.pm
index fe76223..8685b28 100644 (file)
--- a/lib/Keyword.pm
+++ b/lib/Keyword.pm
@@ -1,4 +1,5 @@
 package Keyword;
+use 5.008000;
 use strict;
 use warnings;
 use Carp;