Added Changes file conforming to CPAN::Changes::Spec

Hi,

I've added a skeleton Changes file, with dates of all releases found on [backpan](http://backpan.perl.org/authors/id/V/VT/VTI/). Obviously I couldnt describe the contents of each release -- I left that to you :-)

I have followed the format specified in [CPAN::Changes::Spec](https://metacpan.org/module/BRICAS/CPAN-Changes-0.22/lib/CPAN/Changes/Spec.pod). Following this format means that various tools can more easily process your distribution automatically.

You can find out more about this at Brian Cassidy's [CPAN::Changes Kwalitee Service](http://changes.cpanhq.org), which is where I saw your module listed :-)

Cheers,
Neil

PS I'm doing this because I'm on a quest to help improve CPAN:
        http://questhub.io/realm/perl/quest/51f0337718ba7d3959000086
   You can check the status of your Changes files for all dists:
        http://changes.cpanhq.org/author/VTI
   If you choose you update the others, you can log them in comments on the quest :-)