Pinto::PackageSpec - Specifies a package by name and version
Returns true if this package is satisfied by the perl core as-of a particular version. If the version is not specified, it defaults to whatever version you are using now.
Returns true if this package is perl itself.
Serializes this PackageSpec to its string form. This method is called whenever the PackageSpec is evaluated in string context.
Jeffrey Ryan Thalhammer <email@example.com>
This software is copyright (c) 2013 by Jeffrey Ryan Thalhammer.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.