Export-Feature and updated Readme
- Added Export-Feature as well as fixing for this feature.
- Included new Feature in Readme.
- Updated explanations in Readme and fixed some typos.
- Removed Work-In-Progress example generator, since this can easily be queried from the openEHR-Repo
- Added py-doc-strings to methods
- Set Default-Auth-Data for config.ini
- Allowed bat-files to present errors to the user