[DA] [Feature] Updated comments.
[DA] [Feature]
Updated comments.

git-svn-id: d9d935340129e626144eb3fe7cfd050cd27cf88a@4222 6bcde575-cb03-8b4d-b1e0-7a084bef6d9c

adamretter/csv-validator,rhubner/csv-validator,valydia/csv-validator,digital-preservation/csv-validator