bug fixes.

- _watch_files() under command/serve.py does not work on mac.
  for now, atleast it fails with an error.
- Different call signature for object and other types using super().
  Code is under PluginBase class definition
- moved repository to git and tracked through github.
- TODO file updated.
Preparing for release 0.43dev
Preparing for release 0.43dev
Automatic configuration document.