v6.7.0

Feature

• Handle table_questions (33d303c)
• Set default answers when creating new documents (d9c2b2e)
• Implement default_answers (e3dae80)
• Implement save_document form api (ffb422d)
• Debug transforms (fbc5cd6)
• Useful repr for most models (e6186cc)
• Add api for save_answer (4457413)
• Create caluma_logging app for access logging (2602aa2)

Fix

• Do not use actual model in migration (073f01c)
• Fix flaky ordering (1170242)
• Flaky snapshort ordering (73e57ea)
• Sort addressed_ and controlling_groups (e8eaae9)
• Do not crash during migrations (d6887d0)
• Call cursor.execute with params=None (151394a)
• Migrate db sequences with prefix "caluma_" (baf303c)
• Do not hang in migrations on broken data (bfc4304)