public static MvcHtmlString Css(this Controller controller, IEnumerable<string> keys, SquishItForce force = SquishItForce.None)
 {
     var sb = new StringBuilder();
     foreach (var key in keys)
         sb.Append(controller.Css(key, force));
     return MvcHtmlString.Create(sb.ToString());
 }
 public static MvcHtmlString JavaScript(this HtmlHelper helper, IEnumerable<string> keys, SquishItForce force = SquishItForce.None)
 {
     var sb = new StringBuilder();
     foreach (var key in keys)
         sb.Append(helper.JavaScript(key, force));
     return MvcHtmlString.Create(sb.ToString());
 }
 public static MvcHtmlString Css(this Controller controller, string key, SquishItForce force = SquishItForce.None)
 {
     return MvcHtmlString.Create(HelperExtensions.Css(controller.ControllerContext.HttpContext.Request.Browser.IsMobileDevice, key, force));
 }
 public static MvcHtmlString JavaScript(this HtmlHelper helper, string key, SquishItForce force = SquishItForce.None)
 {
     return MvcHtmlString.Create(HelperExtensions.JavaScript(helper.ViewContext.HttpContext.Request.Browser.IsMobileDevice, key, force));
 }