Added a Cache-Control header and some comments
Added a Cache-Control header and some comments

rexxars/imbo,kbrabrand/imbo,matslindh/imbo,kbrabrand/imbo,christeredvartsen/imbo,androa/imbo,christeredvartsen/imbo,TV2/imbo,matslindh/imbo,imbo/imbo,imbo/imbo,TV2/imbo,androa/imbo,rexxars/imbo,christeredvartsen/imbo