AndreasMadsen/clarify — pull request #1 by cdnbacon (2014-02-05 02:51:25+00:00)
Title: Guard against error

Error, exact repro not yet clear. Happens in Asserts and when using bluebird promises.

```
TypeError: Cannot read property '0' of undefined
at /home/ubuntu/public-website/node_modules/clarify/clarify.js:10:35
at Array.0 (/home/ubuntu/public-website/node_modules/clarify/clarify.js:9:17)
at TraceModifier._modify (/home/ubuntu/public-website/node_modules/clarify/node_modules/stack-chain/stack-chain.js:41:32)
at Function.Error.prepareStackTrace (/home/ubuntu/public-website/node_modules/clarify/node_modules/stack-chain/stack-chain.js:81:25)
```