Update findfiles.php

modification of user class
Update user.php

add functions
Update uploadsum.php

extended user class
Update functions.php

add Piechart function
Create index.php
Update findfiles.php
Update user.php
Update user.php
Update user.php
Create useractions.php
Update footer.php
Update useractions.php
Update useractions.php
Update useractions.php
Update functions.php
Update user.php
Update user.php
Update uploadsum.php
Update header.php