defined variables, renamed constructors, make base class abstract

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@5990 7882d7ee-46e0-0310-a255-a28a61b628e4
Accidentally deleted a bit to much in the cleanup

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@5991 7882d7ee-46e0-0310-a255-a28a61b628e4