A step by step guide and explanations of basic concepts have been added to the project web site. See them at http://persistenceobj.sourceforge.net/instructions.php
The project web site is up. It contains a step by step guide and will contain more documents as soon as I finish the. Check it out at http://persistenceobj.sourceforge.net/
The first release of the library is now submitted. The library is stable and has been tested. Try it out.