Changed the "none" value of CacheMode from undef to "CacheNone".
This was a patch graciously provided by Mark Leighton Fisher
<fisherm@tce.com> to whom I am grateful. After this patch, the
module should no longer give warnings when used with -w.
1.03 2002-05-08
Removed modules from standard Perl dist (e.g. Data::Dumper) from
PREREQ_PM (having them listed there was causing CPAN to rebuild
Perl)