Wrong unit for MoistAirEnthalpy

[c-ortbauer]

According to the function description the function GetMoistAirEnthalpy returns enthalpy per total mass.

Return moist air enthalpy given dry-bulb temperature and humidity ratio.

Args:
    TDryBulb : Dry-bulb temperature in °F [IP] or °C [SI]
    HumRatio : Humidity ratio in lb_H₂O lb_Air⁻¹ [IP] or kg_H₂O kg_Air⁻¹ [SI]

Returns:
    Moist air enthalpy in Btu lb⁻¹ [IP] or J kg⁻¹

Reference:
    ASHRAE Handbook - Fundamentals (2017) ch. 1 eqn 30

But according to ASHRAE 2017 eqn 30 gives the enthapy per mass of dry air

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