we should go over them once more to make sure we didn't miss anything, but
testing validation should probably be done after that. Verify that the
record ordering enforcement code is correct, then start thinking of how
to get data from external sources into the record generator.
for all required records in a set. Added a controller class but
decided to put stuff in __init__ instead, at least for now.
Added a DateField which converts datetime.date into the proper
string format for EFW2 files (hopefully), this should still be
tested next week.