Co-authored-by: Ubbo Veentjer <veentjer@sub.uni-goettingend.de>
Co-authored-by: Markus Matoni <matoni@sub.uni-goettingen.de>
Co-authored-by: Stefan Funk <fugu@fugu.de>

more todos added

updated, added licensing and more main issues... sorry, pdf is not beeing build at the moment on my system...

added documentation subchapters and some issues to cope with the time coming