py-uwsgi: updated to 2.0.18

uWSGI 2.0.18:
Fixed support for Python 3.7
Allow to use autoport (socket :0) with custom socket backlog
pyuwsgi ported to python3
pyuwsgi packages fixes
pyuwsginossl build configuration for building pyuwsgi without ssl support
Fix unix socket inheritance after reload on FreeBSD
Fix crashes with 窶努sgi-env-behavior=holy
Fix invalid free in python plugin
Fix compilation warnings with gcc-8
Fix spooler python references
Don窶冲 generate build warnings in systemd_logger
Fix segmentation fault during worker shutdown

(adam)