Section 11.1.2 complete.
Section 11.1.3 complete.
Section 11.1.4 complete.
Section 11.1.5 complete.
Section 11.2.4 complete.
Section 11.2.4 complete (really this time, the last commit message should have been 11.2.3)
Section 11.2.5 complete (all of section 11.2 finished).
Section 11.3.2 complete.
Section 11.3.2 complete. Tests pass.
Section 11.3.3 complete. Feed enhanced to use sql subselect.