Cope with \r\n line endings produced by Function.prototype.toString.
Cope with \r\n line endings produced by Function.prototype.toString.

This should fix some tests on non-*NIX systems (#56). It would still be
worthwhile to make line endings generated by the Printer configurable, but
that's a more ambitious undertaking.

Closes #56.

benjamn/recast,fkling/recast,marcioj/recast,kyldvs/recast,cpojer/recast,stefanpenner/recast,benjamn/recast,kassens/recast,benjamn/recast,rwaldron/recast,shumov/recast,ipeychev/recast,ersengultepe/recast