Updated setup.py to check for presence of Cython version >= 0.17 because of STL wrapper usage
Updated setup.py to check for presence of Cython version >= 0.17 because of STL wrapper usage

ibell/coolprop,CoolProp/CoolProp-museum,CoolProp/CoolProp-museum,ibell/coolprop,ibell/coolprop,ibell/coolprop,CoolProp/CoolProp-museum,CoolProp/CoolProp-museum,CoolProp/CoolProp-museum,ibell/coolprop,ibell/coolprop,CoolProp/CoolProp-museum,ibell/coolprop,CoolProp/CoolProp-museum,ibell/coolprop