v0.6.4

• #32 support for OpenBSD's tmux

v0.6.3: Add master to CI

• support for working with tmux master, thanks @sloria.

v0.6.2

• #197 use LooseVersion instead of StrictVersion for version
  checks. Thanks @minijackson.
• Pin packages with pyup.io
• #21 Readme fix from @huwenchao.

v0.6.1

• #18 Fix logger, courtesy of @geekli
• #19 Add support for start_directory in new sessions and
  panes, courtesy of @gandelman-a.
• Fix tests and add official support for 2.3

v0.6.0

tag v0.6.0