v12.0.0

Add references to three new programs for week twelve in README.

v11.1.1

Make small improvements to the slides for week eleven.

v11.1.0

Fix the spacing on the title slide of the week eleven content.

v11.0.0

Fix the title of a slide in the week eleven content.

v10.0.1

Fix small mistakes in the week nine content.

v10.0.0

Fix a writing mistake in the week-ten content.

v9.0.0

Add the concluding slide in the week nine slides.

v8.2.1

Fix small writing mistakes in the week eight content.

v8.2.0

Add a slide for week eight that demonstrates generator exhaustion.

v8.1.0

Fix the formatting of the question blocks in in week eight slides.