pvlib-python: 0.3.3

This is a minor release from 0.3.2. Highlights include:

• Renamed series_modules to modules_per_string and parallel_modules to strings_per_inverter. (:issue:176)
• Adds the scale_voltage_current_power function and PVSystem method to support simple array modeling. (:issue:159)
• Adds support for SingleAxisTracker objects in ModelChain. (:issue:169)
• Add __repr__ method to PVSystem, LocalizedPVSystem, ModelChain, SingleAxisTracker, Location. (:issue:142)
• Improve speed of singlediode function by using v_from_i to determine v_oc. Speed is ~2x faster. (:issue:190)
• Adds the Simplified Solis clear sky model. (:issue:148)
• Fix problem in which the perez function dropped nighttime values. Nighttime values are now set to 0. (:issue:191)
• Localize datetime indices in package overview examples. (:issue:156)
• Clarify that ModelChain and basic_chain currently only supports SAPM. (:issue:177)
• Shorten README.md file and move information to official documentation. (:issue:182)
• Change authors to PVLIB Python Developers and clean up setup.py. (:issue:184)

Contributors

• Will Holmgren
• Mark Mikofski
• Johannes Oos
• Tony Lorenzo