Add support for SplitSiim

Add support for Pythia8 - SplitSim01, see steps: 155861,155860,155859,155858,155857,155856,155855,155854,155853,155852

Probably BcVegPy w Pythia8 -SplitSim01 is also needed, see steps: 162611,162610,162609,162608,162607,162606