2.3
Moment estimation for FKML type
qdgl function deprecated in favour of dqgl as it calculates the density quantile function of the gld

2.2
New estimation methods for the FKML parameterisation:
Numerical MLE, Maximum Spacings Product, Titteringtons, L Moments,
TL Moments, Distributional Least Absolutes
Starship has C speedups from Ben Dean, in fit.fkml function