Byron made find_all_by() much easier to read. :)

- avoid inject().  It's hard to read.  Here's a great example of a better method.
Ch6.Submitted parameters are visible to the controller.

- bugfix: when determining the controller and action was including query string.
- added testing aspect on Rulers::Controller so that tests can get a reference to the instance used in the test
Merge branch 'master' of github.com:jtigger/ruby-on-rulers