created a proper utility function that handles defaults. Integrating the ntew get() method fixes a shadowBlur issue. fixed #587

tests/js/unit/utilTests.js

@@ -0,0 +1,9 @@
+Test.Modules.UTIL = {
+    'util get()': function(containerId) {
+        var get = Kinetic.Util.get;
+
+        test(get(1, 2) === 1, 'get() should return 1');
+        test(get(0, 2) === 0, 'get() should return 0');
+        test(get(undefined, {foo:'bar'}).foo === 'bar', 'get() should return bar');
+    }
+};