Modifed the request_approval to take a list of arguments, which works better for us... today.
UpdateStudy correctly handles validation.
WorkflowService correctly populates random values from lookup tables.
And several fixes down in Spiffworkflow, including a big bug where only the last item in a decision table made it through.
Fixing a bug where the validation of forms did not correctly process auto-complete fields.
Fixing a bug where the approvals script and the update study script could not process dot notation correctly.
Moved populate_random_data into the WorkflowService where it makes more sense.