+=item C<next_workday %params>
+
+Sets the object to the next workday. The recognized parameter is:
+
+=over 2
+
+=item * C<extra_days> - optional: If C<extra_days> is given, then
+that amount of days is added to the objects date and if the resulting
+date is not a workday, the object is set to the next workday.
+Defaults to 1.
+
+=back
+
+Returns the object itself.
+