help and exit command added
Merge branch 'master' of https://github.com/Techniv/node-command-io
Add npmignore + Add separator for help display.
Format function declarations.
Add 'before exit' actions.
Callback witch execute juste before the exit process when the user type
the 'exit' command.
Chain addCommand
Add formating on inline help generation.
Catch exception on getConsoleWidth for no console lunch.
Add build status.
Add the addCommands method.
Recursive commands adding.
Publish.