Write a test for the twill processor.
Write a test for the twill processor.

This appears to be outputting requests twice, need to look more into it. Will write a regression test once I figure it out.
frac/django-test-utils,ericholscher/django-test-utils,acdha/django-test-utils,acdha/django-test-utils,frac/django-test-utils,ericholscher/django-test-utils