How does this works?

1. Sync the database

   python manage.py syncdb

2. Run the web server

   python manage.py runserver

3. Enter to the admin and add the users

   /admin/

4. Crawl the user since some specific date.

   /crawl/:username/

5. Extract all the links in the tweets.

   /extract_all_links/

6. Expand all the links.

   /expand_all_links/