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