I've become addicted to Byobu and I've recently shifted from bash to zsh; Now I want to combine the two, however I have a one initial pre-requisite: I cannot make zsh the default shell for my user as it's a shared account and the rest of the team aren't as zsh happy as I am - That rules out the 'chsh -s /bin/zsh' option. So, I discovered you can set a default-shell for tmux (which should follow ac