Next: 9.1.2
Next: 9.1.3
Next: 9.2
Next: 9.2.2
Next: 9.2.3
Next: Section 9.3
Next: Section 9.3.1
Merge branch 'updating-users' of https://github.com/WardF/sample_app into updating-users
Next: LISTING 9.23. NOT SECTION, LISTING.
Next: 9.3.2
Next: 9.3.3
Next: 9.3.4
Next: 9.3.4
Next: 9.4.1
Next: 9.4.2
Finished chapter 9.