nevents is int now
fixed region comparison in operators (was with pointers, not correctly with objects)
minor change to a printout in case of error
using t1 += t2 to avoid crash (WHY DOES IT WORK?????)
passing to copy constructor from reference and not pointer - better
taking name from lhs
implemented operator=
prove con operator= - not working yet
Added latest version of postProcessing.C, reading from list on Boris' website