cashcards
cashcards + groups
* cashcard management
* group management
* condition creation
pricing working
* baskets
* credit mgmt
refactoring
refactoring
major overhaul
authenticate by username+passwd
* updated dependencies
authentication
authguard for protected resources
updates to auth resource

* return existing session in case it is still valid
* return user role
* session can be DELETEd, not sure though if we really want this
refactoring
auth_by_passwd working
update session after route and only if call succeeded
cash and groupguard to make sure entities are valid
cookies now updated
major overhaul
authorization function sets envvar
api tests

* groups
* auth