Fix bug in serialization of logging.LogRecord to show formatted message.
Fix bug in serialization of logging.LogRecord to show formatted message.

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