Geant4 version 11.2

First release to be able to use G4 v11.2.

First release with the simulation of saturation

This release includes the reorganization of the PETit code in different classes, one for each configuration of sensors and the simulation of each microcell of the SiPMs (configurable).

What's Changed

• Rationalize different configuration by @paolafer in #29
• Add saturation by @paolafer in #30
• Update current geometry fro FBK tiles by @paolafer in #32
• Fix position of teflon block by @paolafer in #33

Full Changelog: v3_00_00...v4_00_02

Last tag with one geometry for all configurations (PetBox)

v3_00_00

Change log for tag

First tag with NEST dependence

v2_00_00

Change log for tag