Mise à jour de l'age des molecules a chaque passage

intelligine/simulation/molecule/Molecule.py

     def get_cycle_age(self):
         return self._cycle_age
 
+    def set_cycle_age(self, cycle_age):
+        self._cycle_age = cycle_age
+
     def increment_intensity(self, increment_value):
         self._intensity += increment_value

intelligine/synergy/stigmergy/MoleculesManager.py

                                          cycle_age=cycle_age)
 
         position_molecule.increment_intensity(apposed_molecule.get_intensity())
+        position_molecule.set_cycle_age(cycle_age)
 
         if apposed_molecule.get_distance() < position_molecule.get_distance():
             position_molecule.set_distance(apposed_molecule.get_distance())