[Build.PL] Add versions to the cpanfile, where specified.
[Net::DNS:Create] Handle singular NS records like we claim to in the docs.
Support multiple As and RPs.
[t/03_route53.t] Add commented out helper for updating the canonical test output
Version 1.0.0

It's been stable, API-wise, for a long time now so I'm not anticipating
any breaking changes in the backend API. Only backward compatible
enhancements.
[Net::DNS::Create::Bind] Fix \n not being escaped under perl 5.10
Fix backslashes in TXT records being lost in all backends