Add setup.py
Fix indents in setup.py
Add main script, parse arguments
Add kill, list, and create commands
Parse errors from tmux
Print stdout, attach to session if already exists
Load json config file from TM_SESSIONS envvar
Move tmux commands to separate module, add custom tmux exceptions
Check for all exceptions to main method
Remove extra newline from session list
Add raw tmux command method
Use raw command method to run all commands in wrapper
Add CommandResponse class to use instead of (out, err) tuple
Add has_session command
Load config in separate module
Add force restart option
Add shell command method
Add rename_window command to tmux wrapper
Implement startup commands
Run "clear" before all other commands so commands don't show up before the shell is ready