gituser/pypi: links for pusher-chatkit-server

gituser/pypi pusher-chatkit-server-1.0.4.tar.gz
gituser/pypi pusher-chatkit-server-1.0.3.tar.gz
gituser/pypi pusher-chatkit-server-1.0.2.tar.gz
gituser/pypi pusher-chatkit-server-1.0.1.tar.gz