Removes call to store the TYPO3 session in destructor as it leads to fatal errors
Adds config path option to setup.php
Removes debug output
Improves message output (minor)
Adds --extdir parameter to setup.php
Adds --help option to setup.php
Merge pull request #116 from nsendetzky/master

Fixes but in TYPO3 session handler, makes setup.php more configurable by command line options