Remove some unnecessary code from serializer: Don't encode CSV values (trust database encoding) and don't source format JSON.
Update to Tastypie 0.9.14 which is much faster along with older dehydration method, which cuts down on # of queries and processing.
fix csv filename, perhaps
Add better comments to resources.py
Improve relationship handling for housing history, clean up logic.
restart nginx to take advantage of long cache time
Merge with fixed up version.