added the first two test methods that actually work!

src/uhr.js

@@ -344,6 +344,16 @@
             }.bind(this));
         }
     };
+    var destroy = function destroy() {
+        this.timer = null;
+        $(this.element)
+            .removeAttr('style')
+            .removeAttr('class')
+            .empty();
+        $('#uhr-configlink' + this.id).remove();
+        $('#uhr-controlpanel' + this.id).remove();
+
+    };
     var setCookie = function setCookie(cookieName, cookieValue) {
         var options = {};
         if (this.options.cookiePath !== undefined) {
@@ -457,7 +467,9 @@
         "mode": setMode,
         "width": setWidth,
         // constructor method
-        "_create": create
+        "_create": create,
+        // destructor method
+        "_destroy": destroy
     });
     $.fritteli.uhr.register = uhrGlobals.registerLanguage;
     /**