February 2003 V3 release:	Implementation of "Object Analyzer" to provide fast object type information. Before new object instance is created a query is set up to check if the instance already exists. Update of documentation
February 2003 V4 release:	bug fixes in create new author function (password confirmation and processing default object access for new authors). Update of install.txt. Update of documentation
March 2003 V5 release:	implemented administrative functions "delete child object type function", "delete relation object type function" and "delete parent object type function" (only relevant for administrator)
March 2003 V6 release:	bug fixes in "create child object type function" function (only relevant for administrator)
July 2003 V8 release:	bug fix "naming of relations": Relation names including a space character were not found in "modify" and "delete" mode. This bug was removed.