small corrections to MiroGuide backend
small corrections to MiroGuide backend

sreichholf/python-coherence,coherence-project/Coherence,ismaelgaudioso/Coherence,unintended/Cohen,unintended/Cohen,opendreambox/python-coherence,sreichholf/python-coherence,furbrain/Coherence,ismaelgaudioso/Coherence,furbrain/Coherence,opendreambox/python-coherence,coherence-project/Coherence