Release v1.12.0

Added:

• RS-418: Bucket.remove_record, Bucket.remove_batch and Bucket.remove_query to remove records, PR-114
• RS-389: QuotaType.HARD, PR-115
• RS-388: Add Bucket.rename_entry method, PR-117
• RS-419: Add Bucket.rename method, PR-118
• RS-462: Improve batching, PR-119