restoring constructor, parent class doesn't have a __construct function

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6581 7882d7ee-46e0-0310-a255-a28a61b628e4
general code cleanup

git-svn-id: https://svn.muze.nl/svn/ariadne-php5/trunk@6582 7882d7ee-46e0-0310-a255-a28a61b628e4