Add docs for using CoolProp on OSX in Excel; closes #989
Add docs for using CoolProp on OSX in Excel; closes #989

CoolProp/CoolProp,CoolProp/CoolProp,dcprojects/CoolProp,DANA-Laboratory/CoolProp,henningjp/CoolProp,dcprojects/CoolProp,DANA-Laboratory/CoolProp,DANA-Laboratory/CoolProp,CoolProp/CoolProp,dcprojects/CoolProp,JonWel/CoolProp,CoolProp/CoolProp,dcprojects/CoolProp,dcprojects/CoolProp,henningjp/CoolProp,DANA-Laboratory/CoolProp,JonWel/CoolProp,CoolProp/CoolProp,DANA-Laboratory/CoolProp,JonWel/CoolProp,DANA-Laboratory/CoolProp,DANA-Laboratory/CoolProp,JonWel/CoolProp,henningjp/CoolProp,dcprojects/CoolProp,henningjp/CoolProp,JonWel/CoolProp,dcprojects/CoolProp,henningjp/CoolProp,henningjp/CoolProp,henningjp/CoolProp,JonWel/CoolProp,CoolProp/CoolProp,JonWel/CoolProp,henningjp/CoolProp,CoolProp/CoolProp,CoolProp/CoolProp