Midterm Errata

Clarifications/corrections to the midterm

3. Change "...line back to app.get()" to "..line back to app.post()"

7. "port" should not be capitalized.

9. "to the requesting web client" => "to a web client"

13. Removing two spaces from list.jade:25 should make lines 24 and 25 have the same indentation.