- Remove support for python 3.2 to reduce number of test cases and because
it actually fails with Neovim. It is not a supported version anyways.
- Due to Neovim not handling fast typing through the console properly
(https://github.com/neovim/neovim/issues/2454), the typing is actually
simulated through the Python client. We need to differentiate now if a
keystroke is meant for the terminal or for the Vim session. Using
neovim.input() introduces additional chances for races since inputs
are not buffered but processed right away. This results in more
retries for some tests.
- Neovim needs more parameters and configuration passed in through the
test script. Added command line arguments for these.
- Skip an extra test under Neovim due to
https://github.com/neovim/python-client/issues/128.
