Use getFromKeyFields instead of getForFields where possible
Lookup by key_name is a lot faster than doing a query, so if possible
the use of getFromKeyFields is preferred over getForFields.
Patch by: Sverre Rabbelier
import os, sys
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
import pkg_resources
pkg_resources.require('WebOb')