create record of active sessions
remove session entry on form submit
add dummy secret key
add admin UI for sessions
use form title for name if available
get name from session data if available
whitespace
add more generic error handling for additional error cases
purge sessions when they fail to be looked up
initial south migration
add app_id to sessions
don't fail hard when updating a session fails
don't crash if no form url defined. just don't use sessions
change the way touchforms deals with pending requests to be configurable
better error handling when things go wrong starting a session

http://manage.dimagi.com/default.asp?107561
Merge pull request #51 from dimagi/resume

support incomplete forms in cloudcare