public function addPath($namespace, $path, $prepend = false) {
		if($namespace === null) {
			$namespace = '_';
		}
		if(!isset($this->paths[$namespace])) {
			$this->paths[$namespace] = [];
		}
		if($prepend) {
			array_unshift($this->paths[$namespace], $path);
		} else {
			array_push($this->paths[$namespace], $path);
		}
	}