Add support for using an ARCONFIG environment variable to specify the location of the config.yml file for running the tests
Define ActiveSupport#to_param as to_str - closes #1663
Revert "Make sure that we don't perform in-place mutation on SafeBuffer string"
Make sure that we don't perform in-place mutation on SafeBuffer string
Update CHANGELOG to mention the json_escape change
Ensure number helpers can handle HTML safe strings - closes #1597.
ensuring that json_escape returns html safe strings when passed an html safe string
Fix issue #1598 by adding a dependency to the RDoc gem.