moll/js-must — pull request #18 by mstade (2014-11-08 18:48:07+00:00)
Title: Make `.throw()` check error instance

This adds support for the following assertion, which didn't work before.

```javascript
var expect = require('must')
, err = new Error('Sad face! :o(')

expect(function() { throw instance }).to.throw(err)
```

Love your coding style btw!