It is able to load classes that use either:
* The technical interoperability standards for PHP 5.3 namespaces and
class names (https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md);
Example usage:
PPI\Framework\Autoload::add('Symfony', PPI_VENDOR_PATH . '/path/to/src/Symfony')
PPI\Framework\Autoload::register();