Code no longer fails without an anthropogenic kernel and natural kernel strength (kappa) is no
longer required when direction is not provided (or none).
Adds test for no anthropogenic kernel and minimalistic command line parameters testing against the current values.
Code no longer fails without an anthropogenic kernel and natural kernel strength (kappa) is no longer required when direction is not provided (or none).
Adds test for no anthropogenic kernel and minimalistic command line parameters testing against the current values.