boto/botocore — pull request #168 by lukess (2013-10-30 21:52:38+00:00)
Title: follow http://docs.aws.amazon.com/AmazonElastiCache/latest/APIReference/...

Removed required fields - CacheNodeType, Engine, NumCacheNodes from the CreateCacheCluster operation. An possible issue is cli confliction when add a read-only node into replication group.