Expose first_solar_spectral_correction#466

Merged

wholmgren merged 15 commits intopvlib:masterfrom

cwhanse:firstsolar

May 31, 2018

Commits on May 23, 2018

Add first_solar_spectral_correction method, improve infer_spectral_model
cwhanse
committed

Commits on May 25, 2018

Commits on May 26, 2018

Fix declarations of weather and airmass in test_spectral_models
cwhanse
committed

Commits on May 28, 2018

Commits on May 29, 2018