WIP: modify the pion selection for the xicc lines, loose the pion pt cut
Modified CharmHad/XiccLines.py to use SharedDetachedXiccChild_pi in place of SharedPromptChild_pi for some Xicc+ and Omegacc+ modes.
Modified CharmHad/XiccLines.py to use SharedDetachedXiccChild_pi in place of SharedPromptChild_pi for some Xicc+ and Omegacc+ modes.