Comtypes

-------------
* Fix loading module from relative path.
* Use comtypes release version in code generator version check.

-------------
* Fix No module named 'comtypes.gen.stdole'. Thanks fxthomas.
* Fix NumPy >= 1.16 support. Thanks mobiusklein.
* Use the embedded timestamp for cache invalidation. Thanks vijairaj.
* Allow customization of shutdown behavior (It fixes crash during exit in applications that embed Python). Thanks lassoan.
* Extend GetModule() with CLSID support. Thanks forderud.
* Fix invalid handling of WindowsError on Python 3. Thanks leonardder.
* End bdist_wininst support in setup.py. Thanks wkschwartz.
* Drop Windows CE support. Thanks forderud.

-------------
* Fix command ``pip install comtypes --no-cache-dir --target="C:\tmp"`` (issue 158).

-------------
* Fix ``pip install comtypes`` error: "option --single-version-externally-managed
not recognized" (issue 155).

-------------
* Fix using temp directory as a cache folder when it has no write permission.
Thanks to kviktor, totaam, morganwillcock, kongxinchi, Chaoste
for their pull requests and patience.
* Revive ``clear_comtypes_cache.py`` and add it to post-install step.
* Fix hang in ``CreateObject`` for restricted user (124).

-------------

* Fix TypeError when gen folder is unwriteable and it is a
namespace package (102). Thanks to orf for the bug report. Thanks
to jornb for the initial proposal demonstrating a workaround.