* add scale_voltage_current_power to ModelChain.pvwatts_dc, docstring edits, whatsnew
* extend pvsystem.scale_voltage_current_power to not require all columns, and accept Series
* handle tuples, use temporary DataFrame
* improve scale_voltage_current_power, handle tuples
* sort the new test
* improve scale function, fix multiple string test
* multiple string test runs
* add PR number
* Maintain column order in returned DataFrame
Co-authored-by: Will Holmgren <william.holmgren@gmail.com>
* whatsnew entry formatting
Co-authored-by: Will Holmgren <william.holmgren@gmail.com>
Co-authored-by: Will Holmgren <william.holmgren@gmail.com>