fixes in particleConversion for sibyll, added decay table to interface, added pid to sibstack

Processes/Sibyll/code_generator.py

@@ -29,6 +29,7 @@ def read_sibyll_codes(filename, pythia_db):
             if line[0] == '#':
                 continue            
             identifier, sib_code, canInteractFlag, xsType = line.split()
+added pid to sibstack
             try:
                 pythia_db[identifier]["sibyll_code"] = int(sib_code)
                 pythia_db[identifier]["sibyll_canInteract"] = int(canInteractFlag)

Processes/Sibyll/sibyll_codes.dat

@@ -16,7 +16,6 @@ Gamma 1 0 0
 Pi0 6 1 2
 # rho0 could interact but sibyll has no cross section/interaction length. was used for gamma had int
 Rho0 27 0 0
-y
 K0Long 11 1 3
 PiPlus 7 1 2
 PiMinus 8 1 2