inc folder contains all the source.
Check out example folder with samples on how to use particular functions / classes.

=== PHP Functions ==
inc/pbs_get_redirected_url.php => 
	Function returns url of a website that visitors are redirected to via HTTP redirects.
	Example: pbs_get_redirected_url("") would return "".

inc/pbs_make_valid_url.php => 
	Makes something like "beautiful-url-seperated-by-dashes" from "Beautiful URL seperated by Dashes£$%^&*()".
	Mostly can be used for creating seo-style urls.