v1.8.8

Summary

• Messenger: extract readable bodies (body / formatted_body / m.new_content); encrypted → [encrypted]
• Mail: present plain+rich content (object or array); list paging warnings
• Account: camelCase groups/roles/rights (+ deprecated PascalCase aliases)
• Catalog: exercise.past → /iserv/exercise/past
• News: prefer og:title when scraping article titles