protected function createUri($url)
	{
		if ($url instanceof Uri)
		{
			return $url;
		}

		// Create full URL if we are only appending variables to it
		if (substr($url, 0, 1) == '&')
		{
			$vars = array();

			if (strpos($url, '&amp;') !== false)
			{
				$url = str_replace('&amp;', '&', $url);
			}

			parse_str($url, $vars);

			$vars = array_merge($this->vars(), $vars);

			foreach ($vars as $key => $var)
			{
				if ($var == '')
				{
					unset($vars[$key]);
				}
			}

			$url = 'index.php?' . urldecode(http_build_query($vars, '', '&'));
		}

		return new Uri($url);
	}