To have 100% success with XOR test, disable the regulation of the number of species in species.c (129-139) but the régulation is usefull for other problems...
epoch() in population.c must be adjusted : some studies of the Stanley neat v0.1 code could help
mutateWeight() in génome.c has been adjusted. code must be cleaned : the parameters need to be added to the param.ini file. dMutationPower must be adjusted.