[VOTE][EXTENSION] Release pyignite 0.4.0-rc0

[Ivan Daschinsky <iv...@apache.org>]

Dear Igniters!

Release candidate binaries are at least uploaded and ready for vote
You can find them here:
https://dist.apache.org/repos/dist/dev/ignite/pyignite/0.4.0-rc0

If you follow the link above, you will find source package (*.tar.gz and
*.zip)
and binary packages (wheels) for windows (x86, amd64) and linux (x86 and
x86_64)
for pythons 36, 37, 38, 39. Also, there are sha512 and gpg signatures.

You can install binary package for specific version of python using pip
For example do this on linux for python 3.8
>> pip install pyignite-0.4.0-cp38-cp38-manylinux1_x86_64.whl

You can build and install package from source using this command:
>> pip install pyignite-0.4.0.tar.gz

For building C module, you should have python headers and C compiler
installed.
(i.e. for ubuntu sudo apt install build-essential python3-dev)
In Mac OS X xcode-tools and python from homebrew are the best option.

In order to check whether C module works, use following:
>> from pyignite import _cutils
>> print(_cutils.hashcode('test'))
>> 3556498

You can find documentation here:
https://apache-ignite-binary-protocol-client.readthedocs.io/en/0.4.0.rc0

You can find examples here (to check them, you should start ignite locally):
https://apache-ignite-binary-protocol-client.readthedocs.io/en/0.4.0.rc0/examples.html

Release notes:
https://gitbox.apache.org/repos/asf?p=ignite-python-thin-client.git;a=blob;f=RELEASE_NOTES.txt;h=9fee8ead3f70718767f6e11f93d1c7e77c61657b;hb=466b54527e6e42bc585c594d840a959d0b8626ef

Git release tag was created:
https://gitbox.apache.org/repos/asf?p=ignite-python-thin-client.git;a=tag;h=refs/tags/0.4.0.rc0

The vote is formal, see voting guidelines
https://www.apache.org/foundation/voting.html

+1 - to accept pyignite-0.4.0-rc0
0 - don't care either way
-1 - DO NOT accept pyignite-0.4.0-rc0

The vote will end at April, 19 18:34 UTC.