1.0.0.dev1

• Update：Remove unnecessary log prints

1.0.0.dev

• Feature：Add credentials provider
• Feature：Add retryer
• Feature：Add signer v1 and signer v4
• Feature：Add httpclient
• Feature：Add bucket's basic, bucket acl, bucket versioning api
• Feature：Add object's api
• Feature：Add region's api
• Feature：Add service's api
• Feature：Add presigner
• Feature：Add paginator
• Feature：Add uploader and downloader
• Feature：Add file-like api
• Feature：Add encryption client
• Feature：Add is_object_exist/is_bucket_exist api
• Feature：Add put_object_from_file/get_object_to_file api