Merge branch 'date_corrections' into 'develop'

hive/db/db_state.py

hive/db/schema.py

hive/indexer/blocks.py

hive/indexer/posts.py

hive/indexer/sync.py

hive/version.py

scripts/update_hivemind_db.sql

tests/server/test_server_database_api.py

tests/tests_api