Add MCPrimaries and more MC functors
Create the new reading function for MCHeader and GenHeader, needed for DaVinci!815 (merged)
This should be tested with DaVinci!815 (merged) Rec!3279 (merged) Analysis!946 (merged)
Edited by Jiahui Zhuo
Create the new reading function for MCHeader and GenHeader, needed for DaVinci!815 (merged)
This should be tested with DaVinci!815 (merged) Rec!3279 (merged) Analysis!946 (merged)