public function compileCategories()
	{
		foreach ($this->site->getCategories() as $category) 
		{
			$template = $this->twig->loadTemplate( 'category.html.tpl' );
			$content = $template->render(array('site' => $this->site, 'category' => $category));
			$this->createFile($content, $category);
		}
	}