+++++++++++++++++++ * schwimmbad dependency to pip version * ellipticity definition in lensing potential changed * Implemented Cored steep ellipsoid approximation of NFW and Hernquist profile
1.9.3
++++++++++++++++++ * changed syntax to be compatible with python3 version <3.9
1.9.2
++++++++++++++++++ * support for astropy v5 * new PSF iteration procedure implemented * updated caustic plotting feature * magnification perturbations in point source amplitudes * analytic point source solver for SIE+shear
1.9.1
++++++++++++++++++ * re-defined amplitude normalization in NIE and CHAMELEON light profiles * bug fix in sky brightness errors (SimulationAPI)