Version bump 

Release tmux 2.1 

Release tmux 2.0 

Version bump to 1.8.10 

Fix issue with OSX 10.10 

Tagged 1.9a (bug-fix release) 

Tagging 1.9 release of tmux. 

Upgrade to 1.8.9 

Updated to 1.8.8 

Update version to 1.8.7