* Add frozen string literal everywhere it wasnt already
* Enforce stopgap for tests
* Small amount of integration test cleanup
* Parallelize and freeze Test_app_status
* Big cleanup for test_binder
* Whitespace fix
Because frameworks like rails dependent on rack, if puma truly wants to
be able to reload new code and thus new versions of rails, it has to be
able to reload rack as well.
Having a dependency on rack held by puma prevented that from happening
and so that dependency has been removed.