Kmd

----------------

- Add *Kmd.input* method as extension point for subclasses.
[stefan]

- Make sure hostname completion survives a missing hosts file.
[stefan]

- Require rl >= 2.0.1.
[stefan]

----------------

- Add *Kmd.aliases* dictionary to define command aliases.
[stefan]

- Refactor *Kmd.do_help* for easier customization.
[stefan]

- Make sure error messages go to stderr.
[stefan]

- Switch to pretty Sphinx-based docs.
[stefan]

- Require rl >= 2.0.
[stefan]

----------------

- Initial release.