Brings the client up-to-date with Nvim 0.2.1. Changes since 0.1.13: a2e1169 Fix tests on windows (#201) 9a0e729 Fix an indexing bug when setting lines in a Range object (#270) 4abd5d0 Documentation update (#272) a703b47 Make sure logging always uses UTF-8 regardless of locale (#276) 68aa352 Add argument to allow nested notification handlers (#262)