TalentBox/sequel-rails — pull request #72 by andreychernih (2014-09-02 19:03:57+00:00)
Title: Do not attempt to destroy not persisted session

Otherwise Sequel is raising error like this:

(Sequel::NoExistingObject) "Attempt to delete object did not result in a single row modification (Rows Deleted: 0, SQL: DELETE FROM \"sessions\" WHERE (\"id\" IS NULL))"