Merged in issue/ACEJS-160-revert-sequelize-upsert (pull request #220)
Fix for the bug reported at:https://community.developer.atlassian.com/t/i-found-a-bug-in-atlassian-connect-express-sequelize-storage-adapter-how-do-i-report-it/42399
Fix for the bug reported at:
https://community.developer.atlassian.com/t/i-found-a-bug-in-atlassian-connect-express-sequelize-storage-adapter-how-do-i-report-it/42399