modulize ScrapeHelper
add nokogiri to Gemfile
shut fileutils warnings up
passed first spec for scrape_helper
spec scrape_helper#generate_artists_file
refactor scrape_helper.rb
add spec/lib
RED generate_artists_file with block
GREEN ScrapeHelper#generate_artists_file with block
rename ScrapeHelper#generate_artists_file --> generate
shut the dog up
Merge branch 'master' into scrape-artists-by-one-method
rename scrape_helper method
Merge pull request #218 from i-d-e-a-t/scrape-artists-by-one-method

Scrape artists by ONE METHOD