Since iOS6 the UIControlEventEditingChanged is not triggered in some situations

In your separate project (RETableViewManager), some changes in REFormattedNumberField broke RETableViewCreditCardCell logic. UIControlEventEditingChanged never triggered and when you deleting credit card number, textFieldDidChange: never called.

![Credit Card Field Problem](http://skitsko.com/screenshots/Screenshot_08.10.13__12_13_18040433.png)