Go-codec: fast encode/decode JSON, MessagePack, CBOR, BINC; withcode generation

Summary:

The go-codec library is a High Performance, Feature-Rich and Idiomatic Go encoding/decoding library for binc, msgpack, cbor, json, with runtime reflection or compile-time code generation support.

About a year ago, we announced go-codec as a library for msgpack. The go-codec library has come a long way since then.