Provide Document Expiry via Get Method

This feature request is asking to provide document expiry as a possible property field in a get operation. Currently the recommendation is to use views (via meta.expiration), but some customers do not want the overhead of a view on each bucket for this feature. It is understood that this feature is not fundamentally provided by the memcached protocol, but as an extra return field, should not introduce a breaking change. Downside would be a few extra bytes over the wire. Perhaps a new GetWithExpiration()? Also impact to other SDKs should be considered, for consistency.