Clue-script

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* Fixed silly bug where print_usage() was being called wrong

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* Added rfoo support for launching a shell to connect with live-running
server
http://code.google.com/p/rfoo/

* Improved formatting of command usage

* Removed mostly useless make_syncdb command

* Made Commander.commands a little more exposed

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* Fixed problem where the non-reloader portion would shut down the
app if code was changed

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* Renamed from ``Khufu-Script`` to ``clue_script``

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* Updated project urls

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* Fixed scan() method to return commander instance