added new 2 letter codes to the search function to include new student types
added new 2 letter codes to the search function to include new student types

carthage-college/django-djsani,carthage-college/django-djsani,carthagecollege/django-djsani,carthage-college/django-djsani,carthagecollege/django-djsani,carthagecollege/django-djsani,carthage-college/django-djsani,carthagecollege/django-djsani