I have just released a new version of the plugin. The only change it the addition of the ToC Updater that is in the "recent" beta. There were some minor since the beta, but, the basics are the same.
The change list for this release is:
The details of how to use this are in the
original post for the beta or the help.
Calibre will announce the update in the next hour or so. If there are any problems with plugin, please report them here.