Add other-user tests to the entries controller
Test that one user can't dele another's categories
Test other-user item update/creation
Fix typo in category functional
Now need to sign in for most of the tests, remove empty assertion, fix typos
Remove empty assertion, add test for empty category_id (i.e. case where query string does not exist)
Replace if with unless and rearrange logic to be more Rubyish
Changes to items controller to get tests passing
Changes to entries controller to require authentication, check current user
Merge branch 'master' of github.com:tolien/data-tracker