Added Changes file
Added abstract to pod
Min perl version 5.8.3

This is the min version required by Moose these days
Added COPYRIGHT AND LICENSE section to the pod
Added [GithubMeta] to dist.ini

This will add the github repo to the metadata, which means MetaCPAN
will list it in the sidebar, amongst other things.
Added github repo to the pod
Switched to [AutoPrereqs] rather than explicitly listing prereqs

Not all of the existing prereqs were listed - I find it much easier
to use [AutoPrereqs] these days.