migration
added notification to model
did schemamigration to model
added sms_sender module
added notification to admin
added vumigo sender code
added vumigo config stuff
fixed wrong import
added notification_sent field to list_display
checking for notification = None
moved vumigo configs to database
added vumigo keys to project
did schemamigration
using database config
added json for failing tests to account for model changes
added GopherAirtimeAccount running balance model
did schemamigration
fixed failing unittestst
added unittests for the functions
added missing explanation to API