simplify function that styles unittest-results
More improvements to type handling and class definition.  Plus an improved implementation of urllib.request
Remove the hidden toctree directives pointing to labs.  Navigation now makes sense.

Warnings are suppressed by using the :orphan: tag at the top of the various lab/xxxx.rst files that we want to link to but don't want to generate warnings.
starting to use mutation events to style unittest-results
finish setting up the mutation observer to style unittest results
add progress bar to unittest results
formatting
Merge pull request #261 from isaacdontjelindell/unittest-progress

Unittest progress bar
Update to latest skulpt
Merge branch 'master' of github.com:bnmnetp/runestone