Remove whitespace causing flake8 failure

Signed-off-by: Byron Ruth <b@devel.io>
Move Serrano session middleware above CSRF middleware

For token-based authentication using the Serrano API, the CSRF check
is exempted.

Signed-off-by: Byron Ruth <b@devel.io>
Fix broken paging

Fixes #326

Signed-off-by: Ryan O'Hara <oharar@email.chop.edu>
Merge pull request #335 from ryanjohara/issue-326

Fix broken paging