Thu Jun 14 14:03:22 2012 Aaron Patterson <aaron@tenderlovemaking.com>

* lib/journey/formatter.rb: when generating routes, skip route
  literals (routes that do not have replacement values like
  "/:controller") when matching unnamed routes.

    https://github.com/rails/rails/issues/6459

* test/test_router.rb: corresponding test

Wed Feb 15 11:49:41 2012 Aaron Patterson <aaron@tenderlovemaking.com>

* lib/journey/formatter.rb: reject non-truthy parameters parts.
  Fixes rails ticket #4587

Mon Jan 23 17:07:53 2012 Aaron Patterson <aaron@tenderlovemaking.com>

* Added symbol? and literal? predicate methods to the ast nodes for
easier AST traversal.
* Made the dummy node a real class.