[Python.NET] A new core member of pythonnet

Hi all, Please welcome our new core developer, @dmitriyse (Dmitriy Ivanov), whose .NET Core and GC fixes to pythonnet are outstanding! Other core developers @filmor @vmuriart @tonyroberts collectively made this decision. All pull requests have to be reviewed by at least 2 core developers, even for contributions from other core developers. We also have a new gitter chat, which is open to everyone and is quite responsive. https://gitter.im/pythonnet/pythonnet The other private slack chat is intended for discussing the development activities and for core developers: https://pythonnet.slack.com Regards, Denis