protected function loadClass($class, SplStack $dirs) {
		$script = str_replace(['_', '\\'], DIRECTORY_SEPARATOR, $class) . '.php';
		
		foreach ($dirs as $dir) {
			$path = $dir . $script;
			
			if (is_file($path)) {
				include $path;
				return true;
			}
		}
		
		return false;
	}