optimize start times
add check to prevent SolomonReader to throw IndexOutOfBoundsException when reading file ending with empty lines
add check to prevent LuiShenReader to throw IndexOutOfBoundsException when reading file ending with empty lines
optimize start times
add Figliozzi utilities to benchmark VRP with time dependent costs
add Figliozzi utilities to benchmark VRP with time dependent costs
reproduce bug #131
fix bug #131
merge master into start-time branch