* HLRC: ML Add preview datafeed api
* Changing deprecation handling for parser
* Removing some duplication in docs, will address other APIs in another PR
* HLRC: ML Cleanup docs
* updating get datafeed stats docs
* HLRC: Adding ML Close Job API
HLRC: Adding ML Close Job API
* reconciling request converters
* Adding serialization tests and addressing PR comments
* Changing constructor order