summary: simplify sorting of language stats - avoid comparing dicts Make the ordering well defined as primarily decreasing count, secondarily extension - thus some slight changes in test output.

pytest >= 3.3.0, < 4.7
pytest-runner < 5.2
pytest-sugar >= 0.7.0, < 0.10
pytest-benchmark < 3.3
pytest-localserver < 0.6
mock < 3.1
Sphinx < 1.9
WebTest < 2.1