This is an open project. It is open source and waiting for being extended. Perhaps it is written by open minded people, but no one is sure about this...
In fact, after few years of development the author himself sais that there is a good possibility that people writing the Vaco way have to be desperated. On the otherhand being not-so-closed minded person should be enough.
For the specific information look at these sections:
Look at them if your site is based on the library.
Overview and some ancient papers merged into one piece. Installation issues are also described there.
For information how to build locales for your brand new application you need to dive into the core (or just skip to development section)...
Read how to use additional modules or include a plugin into your website.
This is the place where you wanted to go, isn't it?
Now is time to give thanks from me to several people involed in some way or another in this project. That would be: