GA population Python3 compatibility
Changes to ase.ga.population functions for Python3 compatibility as well as a small change to the update function in the FitnessSharingPopulation to use the sorted candidates list.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Changes to ase.ga.population functions for Python3 compatibility as well as a small change to the update function in the FitnessSharingPopulation to use the sorted candidates list.