Checking in the doc file for "timsort".  There's way too much here to stuff into code comments, and lots of it is going to be useful again (but hard to predict exactly which parts of it ...).
Checking in the doc file for "timsort".  There's way too much here to
stuff into code comments, and lots of it is going to be useful again (but
hard to predict exactly which parts of it ...).

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator