clue/graph — pull request #41 by clue (2013-06-07 08:02:45+00:00)
Title: [WIP] Move Graph::isSymmetric() helper to new Algorithm\Symmetric

* [x] Move Graph::isSymmetric() helper to new Algorithm\Symmetric
* [x] 100% code coverage
* [ ] Documentation / changelog

While currently having a separate class for just one helper method is a bit awkward, it should provide the base for adding new methods to the same class.

Refs #27.