• Added Xgboost support
• Added DataframeHandler options includes 'typ', 'input_columns', 'orient'
• BentoML cli command now supporst json string as input, e.g. --input="{"col": {"0": "bc"}}"
• BentoML cli command now supports input file from s3, e.g. --input=s3://my-bucket/test.csv
• Added gunicorn support, serve-gunicorn is now default in generated Docker image
• Added @ver decorator for specifying versions with semantic versioning