Python module updates

[Yaakov Selkowitz]

The following packages have been uploaded to the Cygwin distribution:

* python27-ipython-5.8.0-1
* python27-prompt_toolkit-1.0.15-1
* python27-scandir-1.10.0-1
* python27-simplegeneric-0.8.1-4
* python27-wcwidth-0.1.7-1
* python36-ipython-5.8.0-1
* python36-prompt_toolkit-1.0.15-1
* python36-simplegeneric-0.8.1-4
* python36-wcwidth-0.1.7-1
* python37-ipython-5.8.0-1
* python37-prompt_toolkit-1.0.15-1
* python37-simplegeneric-0.8.1-4
* python37-wcwidth-0.1.7-1

These releases update or add various Python module components, and
include 3.7 builds in preparation for that becoming the default
version.

--
Yaakov