Add lib path to range.t

Some users have picked up on failing tests due to "use lib" not being set
in the range.t test file

Changes

@@ -4,6 +4,7 @@ Revision history for {{$dist->name}}
 - Include all utilies within each man page
 - Add in 'command_pre' and 'command_post' configuration options
 - Fix 'Add Host' menu error finding 'resolved_names'
+- Ensure lib path is added to range tests to find the libraries
 
 4.14 2019-08-21 Duncan Ferguson <duncan_ferguson@user.sf.net>
 - Include README within the repository, not just created tar.gz files

t/range.t

@@ -2,6 +2,9 @@
 use strict;
 use warnings;
 
+use FindBin qw($Bin);
+use lib "$Bin/../lib";
+
 use Test::More;
 use Test::Trap;
 use Data::Dump;