Add method to fetch all details from finanzonline
Fixes to last pull request

rename config parameter uid to uid_tn to distinguish between requested and requester UID (uid_tn is the requester UID)

change savon dependency, doesn't work with savon 2

Fix test I have broken :)
Add summary.
remove explicit thruthiness
Merge pull request #1 from lcx/master

New method to fetch all details