Switch to django 1.4.3
Add readline to dependencies
Update `clean_url` so all parameters starting with `"utm_"` are removed.
Add tests for `clean_url`
Add KEY_PREFIX setting
Add django-cache-utils dependency
Add mock dependency
Refactor the code to untiny URLs.
Refactor finding and cleaning URLs
Rename clean_url to clean_params
Rename get_final_url to follow_redirects
Remove recursive calling when extracting tiny URL
Add test for URLFinder.follow_redirects
Rework Untiny tests
Add comments to UntinyTestCase
Small refactoring in UntinyTestCase
Refactor test_follow_redirects
Add URLFinder.clean_url method
Rename URLFinder.clean to clean_url;
Refactor URLFinder.find_urls