Merge pull request #1 from matthias-k/master

Initial package structure with first ported function
Continous integration with travis

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Extended README

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>
Python3 compatibility

Signed-off-by: Matthias Kümmerer <matthias@matthias-k.org>