Add 'settings' structure to config.ini
Add 'settings' multidimensional config parser to lib/utils.php
Signed-off-by: Diederik de Groot <ddegroot@talon.nl>
Added simple shell/utf/html escape checking
Added a collection of test cases (we need some more escape checking ones)
Signed-off-by: Diederik de Groot <ddegroot@talon.nl>