Python CAMB wrapper correlations module : Transform between CL and CMB correlation functions Lensed power spectra and correlation functions from unlensed spectra and lensing power spectrum (useful for delensing) Matrix of derivatives of lensed power spectra with respect to lensing power and unlensed CL Added halofit_casarini=7 for PKequal dark energy fitting (thanks Luciano Casarini; arXiv:0810.0190 , arXiv:1601.07230 ) Fixed compilation issue with gfortran 6.3