Nbr
        - The issue was in the Calorimeter scorer
        - The size of the level vector was access via a static

	-positioning TPC in the world by .detector file
	-volumes nesting

	-Commented declarations of physical volumes pointers
	-set better mother-doughter dependence of volumes

	- Method needed by Ganil 2 Root

        - Data class is done
        - Physics class is done

	-Merge branch 'NPTool.2.dev' of https://github.com/adrien-matta/nptool into NPTool.2.dev

	-Simulation doesn't work yet..

	-Getters and setters updated