fixed negative length in pywsgi's Input read functions for non chunked body

Do not print locals that have no values. Fixes #1275.

Don't double-descriptor @staticmethod objects. Fixes #1266

Update to greenlet 0.4.14. Fixes #1260.

Use the nuclear option for the thread cleanup failures on appveyor and disable the strict check instead of having random failures.

[skip ci]

[skip ci]

Enable 3.7 on appveyor.

See https://github.com/python/cpython/commit/b2a6083eb0384f38839d3f1ed32262a3852026fa

Also add some things missing from __all__ on Windows 3.7.

Because it fails to cleanup a thread for some reason.

Update to libuv 1.22

Don't pass the port when calling getaddrinfo from socket.connect.

Also only attempt to resolve the address when we are AF_INET or AF_INET6; previously all other tuple address families would have been passed to getaddrinfo where they probably failed.

Monkey-patch queue.SimpleQueue to be queue._PySimpleQueue.