hblok

When executing the binary "go/bin/protoc-gen-map", there is a warning about "protoc-gen-go/generator" to be deprecated: ``` WARNING: Package "github.com/golang/protobuf/protoc-gen-go/generator" is deprecated. A future release of golang/protobuf will delete this package, which...

Following the code under "examples" in this repository, I've brought up a MySQL DB and a simple server based on "server.go". I've created the "blog" table as per the "testdata/initdb/sql/init_db.sql"...