making 'Range()' more readable and adding documentation
changing the 'std::vector' of Candidates as perceived by Voters to a more 'light weight' 'std::valarray'
making a typedef for 'std::valarray<oneCandidateToTheVoter>' so as to make any future adjustments easier
simplified 'Range()' by coupling Candidate data about Themselves with Candidate data with respect to Voters