Several changes for consistency and addition of python native pyslalib.sla_refro() method, ported from the original FORTRAN code.

This minor update includes:

  • Fully python native implementation of pyslalib.sla_refro(), ported from the original FORTRAN code by P.T. Wallace. Use sla_refro() for a direct port, or slalib_refraction() or slalib_dispersion() for an input more consistent with the other functions in this package.
  • Addition of the refractive index calculation used in slalib, called with HohenkerkAndSinclair().
  • Several consistency fixes, e.g. relative humidity is now always denoted by the RH parameter.