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More details on the changes are available in ChangeLog.txt and at
<https://github.com/lballabio/QuantLib-SWIG/milestone/25?closed=1>.
- Avoid using the deprecated `distutils` module for the Python
wrappers; `setuptools` is now required for building (@lballabio).
- Exported `LastFixingQuote`; thanks to Eugene Toder (@eltoder).
- Added `redemptions` and `paymentLag` arguments to amortizing bond
constructors; thanks to Gyan Sinha (@gyansinha).
- Exported utility function to simplify notification graph (@lballabio).
- Exported a few exotic options (Margrabe, compound, chooser) and
related engines (@lballabio).
- Exported new constructor for OIS (@lballabio).
- Exported missing parameters for iterative bootstrap (@lballabio).
- Exported Xoshiro256** RNG (@lballabio).