v0.13.1

RRTMGP v0.13.1

Diff since v0.13.0

Merged pull requests:

• Replace exponential function in gray source calculations (#467) (@sriharshakandala)
• Some optimizations to gray LW simulation (#468) (@sriharshakandala)
• Update argument types for compute_col_gas! (#470) (@sriharshakandala)
• Add getview for GrayAtmosphericState (#471) (@sriharshakandala)
• Update build_cloud_mask! (#472) (@sriharshakandala)
• New patch version (#473) (@nefrathenrici)
• Zero out SW Fluxes when zenith angle is > 90 deg - 2 * eps (#474) (@sriharshakandala)