added word_avg, sentence_length_avg, and parse_into_csv methods into book model
added word_avg, sentence_length_avg, and parse_into_csv methods into book model
book merge
Merge branch 'master' of https://github.com/NatalieFrecka/WorkingTitle into csv-parsing-and-averages
Merge pull request #4 from NatalieFrecka/csv-parsing-and-averages

Csv parsing and averages