update msgpack 0.5.8 (commit 8bc827ebf5b7f26ec2b98d181bc6c5f43a12fc73)
Merge pull request #13 from crow-misia/update-msgpack0.5.8

update msgpack 0.5.8
version bump 0.2.2
Remove tr1/ prefix if compiling in Windows
Merge pull request #16 from htaox/compile-in-windows

Remove tr1/ prefix if compiling in Windows
version bump v0.2.3 for Windows compile fix
return buffer for raw objects