Merge pull request #9 from shvaikalesh/patch-2

Replace `arguments.callee` with `AssertionError`

Author: meeber

index.js

@@ -66,8 +66,8 @@ function AssertionError (message, _props, ssf) {
   }
 
   // capture stack trace
-  ssf = ssf || arguments.callee;
-  if (ssf && Error.captureStackTrace) {
+  ssf = ssf || AssertionError;
+  if (Error.captureStackTrace) {
     Error.captureStackTrace(this, ssf);
   } else {
     try {