Instead of the generic message "Number of attr_names and values do not match", give specifics that
would aid in debugging, such as:
  Number of attr_names [:id_a, :id_b] and values ["a", "b", "t"] do not match
Merge pull request #159 from TylerRick/more_helpful_number_of_attr_names_error

Instead of the generic message "Number of attr_names and values do not match", give specifics that would aid in debugging