Log Message:
finance/py-alphalens: Update to 0.3.2

New features since 0.2.1:
- Integration with Pyfolio. It is now possible to simulate a portfolio
  using the input alpha factor and analyze the performance with
  Pyfolio.
- Added new API utils.get_clean_factor to run Alphalens with returns
  instead of prices
- Changed color palette to improve the visual experience for
  colorblind users
- Standard deviation bars optional in
  tears.create_event_returns_tear_sheet
- Alphalens now properly handles intraday factors