standardize handling of boolean values, closes #151
standardize handling of boolean values, closes #151

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