renamed file name and added set_header method
renamed file name and added set_header method

sheepeatingtaz/django-graphos,vivek8943/django-graphos,sheepeatingtaz/django-graphos,aorzh/django-graphos,agiliq/django-graphos,agiliq/django-graphos,aorzh/django-graphos,vpistis/django-graphos,vpistis/django-graphos,vivek8943/django-graphos,sheepeatingtaz/django-graphos,vivek8943/django-graphos,vpistis/django-graphos,aorzh/django-graphos,agiliq/django-graphos