public static function loadTags() {
		
		// load defaults
		$tagDir = Config::getOption("sourceDir").DIRECTORY_SEPARATOR."_twig-components/tags";
		$tagExt = Config::getOption("twigTagExt");
		$tagExt = $tagExt ? $tagExt : "tag.php";
		
		if (is_dir($tagDir)) {
			
			// loop through the tags and instantiate the class...
			$finder = new Finder();
			$finder->files()->name("*\.".$tagExt)->in($tagDir);
			$finder->sortByName();
			foreach ($finder as $file) {
				
				// see if the file should be ignored or not
				$baseName = $file->getBasename();
				if ($baseName[0] != "_") {
					
					include($file->getPathname());
					
					// Project_{filenameBase}_TokenParser should be defined in the include
					$className = "Project_".$file->getBasename(".".$tagExt)."_TokenParser";
					self::$instance->addTokenParser(new $className());
					
				}
				
			}
			
		}
		
	}