Completed 9.2.1 requiring signed-in users
Completed 9.2.2 requiring the right user
Completed 9.2.3 friendly forwarding
Completed chapter 9.3.1 user index
Completed chapter 9.3.2 sample users
Completed chapter 9.3.3 pagination
Completed chapter 9.3.4 partial refactoring
Completed chapter 9.4.1 administrative users
Finish user edit, update, index, and destroy actions
Completed Chapter 9.6 exercises