* Rename "serialize" and "deserialize" functions to "read" and "update" to reflect API in StatefulService * Move new definitions to StatefulService.h so it is obvious it is not general purpose * Update README
* Rename "serialize" and "deserialize" functions to "read" and "update" to reflect API in StatefulService * Move new definitions to StatefulService.h so it is obvious it is not general purpose * Update README