fails:CGI::HtmlExtension#base when bassed a String returns a 'base'-element, using the passed String as the 'href'-attribute
fails:CGI::HtmlExtension#base when bassed a String ignores a passed block
fails:CGI::HtmlExtension#base when passed a Hash returns a 'base'-element, using the passed Hash for attributes
fails:CGI::HtmlExtension#base when passed a Hash ignores a passed block
