0.1.8

This version has experimental support for python plugins on windows.

Changes since 0.1.7:

• 44fb250 vim compatible behavior for vim.eval("[1, 2]")
• 16cdbc5 fix bang and register command modifiers
• d6669ab better handling of invalid utf-8 in python3
• 96c721a Don't error out on :UpdateRemotePlugins when there is no plugins.
• 5f80a55 Use pyuv instead of asyncio on Windows to support stdio.