I have now moved plugin development into the Trac system. This allows easier integration with the source code management system as well as a more convenient way to edit documentation and track issues.
I've also taken to using real version numbers rather than revision numbers for releases - that should be easier to follow (it was especially confusing with maintenance of the 6.2 branch using revision numbers that made it appear newer than the 6.5 trunk!). Version numbers are as follows:
You can find the Trac system here.