Without this fix, only a base index of 0 works. It looks like 8a91b70 imposed the window counting at 0, but it feels like this should be flexible. The simple solution I put in here requires the user to specify the base index, but it might also be possible to read it from tmux also. I couldn't find a good example of that, however, so I left it as is.
…velopment.log in it's default location. (By default rails logs are in log/development.log not logs/development.log