First batch of api fixes

hive/server/bridge_api/cursor.py

hive/server/bridge_api/methods.py

hive/server/bridge_api/objects.py

hive/server/bridge_api/support.py

hive/server/bridge_api/thread.py

hive/server/common/payout_stats.py

hive/server/condenser_api/cursor.py

hive/server/condenser_api/methods.py

hive/server/condenser_api/objects.py

hive/server/database_api/methods.py

hive/server/hive_api/common.py

hive/server/hive_api/community.py

hive/server/hive_api/notify.py

scripts/update_hivemind_db.sql