unit coverage for wrong-case
Implement a pip self-check with to determine when it's out of date.

Initial work cribbed from PR 1214.
Merge pull request #2032 from bukzor/buck-coverage-1

unit coverage for wrong-case
Fix for Python 3.x, Refactor, and small changes
Fix compatability with Python 2.6
Fix on PyPy
Fix pep8 tests
Merge pull request #2049 from dstufft/pip-version-check-redux

pip version check redux
Point at freezegun master since PR has been merged
Merge pull request #2052 from dstufft/freezegun-master

Point at freezegun master since PR has been merged
just the @cached_property bit
Merge pull request #2058 from bukzor/buck-cachedproperty

just the @cached_property bit
update changelog entry for PR 1838
Merge pull request #2001 from dstufft/normalize-URLs

Normalize names in a URL
Do not look for /simple/{name}/version/ URLs anymore
Deprecate the fallback to /simple/