chg: pkg: CHANGELOG update
chg: pkg: CHANGELOG update

befelix/GPy,befelix/GPy,esiivola/GPYgradients,esiivola/GPYgradients,SheffieldML/GPy,befelix/GPy,esiivola/GPYgradients,SheffieldML/GPy,ysekky/GPy,SheffieldML/GPy,ysekky/GPy,esiivola/GPYgradients,ysekky/GPy,ysekky/GPy,befelix/GPy,SheffieldML/GPy