Speed up accessing replies for comments from listings.
Explicitly raise an InvalidComment exception on lazyload of removed comment.
Depend on requests >=2.3.0, and fix ResourceWarnings (#329).
Raise RedirectException on 301 and 307 errors.
Move test package outside of praw.
Update travis CI badge to only reflect master branch.
Enable HTTPS everywhere.
Fix test_scope_read_get_submission_by_url test.
Make 3.0a1 version.
Remove deprecated methods.