ponie has a type hierarchy

[email protected] (Nicholas Clark) Wed, 27 Apr 2005 23:37:25 +0100

Newsgroups	perl.ponie.dev
Message-ID	<[email protected]>

ponie now has a proper type hierarchy of PMCs for the 16 perl SV types.
Right now they're all actually empty, but fairly soon they'll be used
as part of the implementation of sv_upgrade.

Nicholas Clark