v1.10.0

Added

• Added MODEL_TYPE option to translateText() to use models with higher
  translation quality (available for some language pairs), or better latency.
  Options are 'quality_optimized', 'latency_optimized', and 'prefer_quality_optimized'
• Added the $modelTypeUsed field to translateText() response, that
  indicates the translation model used when the MODEL_TYPE option is
  specified.