Cacheing needs to be aware of both types of error codes: http error codes (returns by websites) e.g. down, 404, etc [HAPI error codes](https://github.com/hapi-server/data-specification/blob/master/hapi-3.1.0/HAPI-data-access-spec-3.1.0.md#42-status-error-codes)
Cacheing needs to be aware of both types of error codes:
http error codes (returns by websites) e.g. down, 404, etc
HAPI error codes