add SurveySession.find for finding session in hash
rearrange exception tests
update survey_session.find to return cookie name
add tests for flexible question_id comparison
fill out SurveySession model
add controller filters for new survey session

before_filter for getting question_id and finding proper survey session from cookies
after_filter for update the session cookie
add session expiration handling and regeneration
generate static session id for test environment
update survey_session with new appearance_lookup
add session_id reader
use survey_session for API requests
add some more tests for survey_session
send appearance_lookup when adding an idea
remove some extraneous logging
remove setting @earl since that happens in appcontroller
add test for setting session cookies in earls
add survey session tests for prompts
allow appearance_lookup to act as auth token
fix error in auth_token change
add some tests to ensure the session_info data

ensure that it is saving the proper session_id