Make removeTrailingSlash configurable

[pstaender]

Hi there!

First thanks for the nifty framework, I love to work with it :)

I need to access the url in some cases with a trailing slash (this particular case is to simulate a folder/index.html behaviour - in the current case relative urls won't work because the path …/folder/ becomes …/folder).

Would a setter be a good solution and be possible to implement? $app->setRemoveTrailingSlash(true|false)? Or is there a way to configure it which I missed out?

Best Regards
Philipp