HTTP1, HTTP2, and HTTP Final

We should have done each one of the assignments on separate pull requests. We had a lot of trouble getting git hub to do exactly what we wanted with respect to three people editing the same group of small documents. We apologize if this makes the grading more difficult.
Your tests are almost perfect, but you forgot to stop it, so running ```py.test``` hangs my console after the tests pass. This isn't a big deal.