[Client] Fixed config/client stuff.
Added pymongo as a dependency.

For now, this got to be, but I don't feel comfortable to have a dependency to a optional save variant.
[Server] completely rewrote tally load/save

This has big room for improvement ;)
[Server] Removed old tally file
[Server] Forgot to copy some data from user

I really need a generic approach for this B[
[Server] more generic approach for reading the data from MongoDb