added a python class for parameter fitting
added a python class for parameter fitting

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