public function inst_get($name) {
		$names = explode('.', $name);

		if(!isset($this->data)) {
			return null;
		}

		$var = $this->data;

		foreach($names as $n) {
			if(!isset($var[$n])) {
				return null;
			}
			$var = $var[$n];
		}

		return $var;
	}