Are you also able to create and publish a new MPEI package?
Also, thinking about how to preserve the changes...
Since this plugin was previously hosted on Google Code and GC is now read-only, your fixes can't be pushed there.
I see that you have permissions for our SourceForge MP Plugins project. Are you able to somehow import the GC repo there?
Has the Pandora Plug-in been updated, so that you can install through the MP Extension Manager