AlexNisnevich/untrusted — pull request #151 by stevenws (2014-04-15 20:29:34+00:00)
Title: Prevents retrieval of Function using an instance of it ie. new startLevel.constructor("")()

Currently it is possible to perform the code
```javascript
new startLevel.constructor("on" + "Exit = objectiv" + "e = function(){return true;}")();
```
which instantly wins a level when it restarts.