profh/BookManager_2 — pull request #3 by sethvargo (2012-02-21 06:37:00+00:00)
Title: Raise Exceptions

There were problems with the lab because the factories were not being created.

The instance variables were `nil`, thus they were getting all kinds of errors. Really, they failed a simple validation, but the syntax in the test file did not raise an exception, so it was difficult to track.