fixed inclusion of the management command package

find_packages() will find the management package and include it, otherwise all distributions will be missing the management command update_exchange_rates.  More info here: http://pythonhosted.org/distribute/setuptools.html#using-find-packages

Also incremented the version number so it can be resubmitted.
Changed NotImplemented singleton object with NotImplementedError Exception class
Update README.rst - Fix openexchangerates.org typos

Typos in link pointed to openexhangerates.org (missing c). Had to fix.
Merge pull request #11 from baratrion/master

Add helper functions for bulk conversion
Merge pull request #12 from baratrion/master

Bump version
Merged in nwenzel/django-exchange
Merged in huseyinyilmaz/django-exchange
Bumped version
Merged in cordery/django-exchange.git patch-1
packaging fix
Bump version