illustrates #62 may be obsolete

Author: Phillip Clark

examples/issue-62.js

@@ -0,0 +1,11 @@
+var deep = require("../");
+
+var a = {};
+var b = {};
+a.x = b;
+b.x = b;
+deep.diff(a, b);  // True
+
+a.x = a;  // Change to a
+// No change to b
+console.log(deep.diff(a, b));  // Still true...