Initial routing and controller setup for consent screen
Working with test for yes redirecting
Updated voice_file task for abandoneds with consent mp3
Added failing test for ideal backend storage of preference
Add Caller model and successfully save preferences
Test for setting session attempt for consent
Added tests for bad input
Don't coerce phone number to int prior to saving (PG problem)
Fix name of no-consent test
Make phone_number and consented_to_callback attr_accessible
Final refactoring of specs and controller for consent
Adding schema