Update hash method in dddp.accounts to bind hash tokens to specified purposes.
Update hash method in dddp.accounts to bind hash tokens to specified purposes.

commoncode/django-ddp,django-ddp/django-ddp,commoncode/django-ddp,commoncode/django-ddp,django-ddp/django-ddp,django-ddp/django-ddp,django-ddp/django-ddp,commoncode/django-ddp