Master ready, at least, to manage 8.304
This MR makes Pythia8_i in master able to manage Pythia > 8.303 versions. It also starts to reduce differences between master and 21.6, hoping to converge somewhere in the close future.
FIX SPI-1881
This MR makes Pythia8_i in master able to manage Pythia > 8.303 versions. It also starts to reduce differences between master and 21.6, hoping to converge somewhere in the close future.
FIX SPI-1881