Converting between units

Module conv contains phyicsal constants as well as conversion functions between physical units which are intended to increase comprehensibility and clarity of code.

pa_to_gscm	Pascal to g/cm2.
gscm_to_pa	g/cm2 to Pa.
mbar_to_pa	mbar to Pa.
pa_to_mbar	Pa to mbar.
s_to_h	Seconds to hours
h_to_s	Hours to seconds
kg_to_g	kg to g.
g_to_kg	g to kg.
degc_to_kelvin	Degree Celsius to Kelvin
kelvin_to_degc	Kelvin to degree Celsius
temp_to_saturated_vapor_pressure	August-Roche-Magnus approximation.
absolute_humidity	Absolute humidity (g/m3) from air temperature and relative humidity.