Merge pull request #8 from jusjmkim/ScrapingTwitter

updates ScrapingTwitter Class
Committing old version of scraping-twitter to pull
Merge branch 'master' of github.com:jusjmkim/scraping-twitter
Merge pull request #9 from jusjmkim/ScrapingTwitter

updates scrapingtwitters class
Merge branch 'master' of github.com:jusjmkim/scraping-twitter
Change student_profiles to student_urls in create_student_instances method
create create_twitter_instances method
Merge branch 'master' of github.com:jusjmkim/scraping-twitter into ScrapingTwitter