Changes

• Feature: Added support for paging, orders and filters for admin sessions, users and groups
• Feature: Added stats endpoints to calculate two factors, devices, OS and browser
• Security: Fixing multiple vulnerabilities in libraries
• Bugfix: Minor fix to prevent error 500 on api key secret duplicates
• Bugfix: Fixing wrong content type headers in api-key-access paths
• Other: Minor adjustment to the emergency code email template