Merge pull request #1 from TiGR/patch-1

Fix opening dialogs through open attribute

dialog.js

@@ -59,7 +59,7 @@ if (!window.HTMLDialogElement) {
             return this.hasAttribute('open');
         },
         set(value){
-            value ? this.open() : this.close();
+            value ? this.show() : this.close();
         }
     })