- Simplified UpdateRequest to the minimum required
- renamed test user to example
- removed user property from yml config, it is given by the file name.
- splitted server code analogous to command line code so that each handler has its own file.
- made viper confgi in userconfig internal
- added validation to userconfig
- added helper to combaine an IID with a v6net in userconfig
- Implemented Configuration Loader with unauthorized error handling
- More elaborate test user config
- Use Viper Unmarshalling for User Config loading
- Centralized password hasing code