pointer.</li>
  <li>All the calculator have a consistent way for being constructed, either by passing pdf pointers and the set defining the parameters or by passing a reference to a  <tt>ModelConfig</tt> class.</li>
  <li>The result classes are now more consistent and have similar constructors. In addition to a default constructor, all of them can be constructed by passing first a name and then all the quantities (objects or values) needed for the specific result type. The title can eventually be set using 