* Fix sampling of Gaussian OU process * Fix `bin.pdf` utility * Fix DSP process (use the integrated log Laplace from CIR)
0.2.3
* critical bug fix that allows the library to work without the `book` group dependencies
0.2.2
* Option volatility surface * Calibration of Heston model to Vol surface * frequency domain, no longer fixed, it is calculated by stochastic process * Option alpha calculated dynamically * More tests
0.2.1
* Use pydantic * last version with unsupported processes