Add some TODOs (#161)

Detect shorter commit hashes and building the docs from git.

pep-0512.txt

@@ -708,6 +708,10 @@ Required:
   - Message #python-dev for each commit (PR or direct)
     (https://github.com/python/cpython/settings/hooks/new?service=irc;
     commitment from R. David Murray)
+  - Update commit hash detection on b.p.o to support 10- and 11-character hashes
+    (https://hg.python.org/tracker/python-dev/file/1b16b4c8ab77/extensions/local_replace.py#l80)
+  - Get docs built from git
+    (need to contact infrastructure team)
 
 * In progress