refactor get_psm3 code into parse_psm3, read_psm3#842

Merged

wholmgren merged 8 commits intopvlib:masterfrom

kandersolar:read_psm3

Jan 3, 2020

Commits on Dec 23, 2019

Split out PSM3 parsing code into its own function read_psm3; update docstring to include new PSM3 metadata fields
kandersolar
committed

Commits on Jan 2, 2020

Change read_psm3 to parse_psm3, remove ability to read files, add small example of reading files
kandersolar
committed
Add read_psm3 back in, refactor psm3 tests to reduce code duplication
kandersolar
committed
fix typo in parse_psm3 documentation
kandersolar
committed