Implemented defer(..) and only(..) queryset methods.
Implemented defer(..) and only(..) queryset methods.

Output fields can be specified by also in some internal methods.

hynekcer/django-salesforce,chromakey/django-salesforce,philchristensen/django-salesforce,hynekcer/django-salesforce,chromakey/django-salesforce,django-salesforce/django-salesforce,hynekcer/django-salesforce,django-salesforce/django-salesforce,django-salesforce/django-salesforce,chromakey/django-salesforce,philchristensen/django-salesforce,philchristensen/django-salesforce