Hartl, Section 3.5, Problem 1
Hartl, Section 3.5, Problem #2
Hartl, Section 3.5, Exercise 3 - Postgres
Hartl, Section 3.5 - Chapter 3 Completed [ex. 3.6]
Add a full title helper.  End of Ch. 4.
Hartl Tutorial, Sects 5.1.1-5.1.2
Hartl, Section 5.1.3
Hartl Section 5.2 complete
Hartl 5.3.2 done
Hartl 5.3.3 done
Hartl Section 5.3.4, and, therefore, 5.3, done.
Hartl early 5.4.2 - integration test generated, but not modified
Finish layout and routes, Hartl, Section 5