Make Unpacker.ReadXxx returns false instead of throwing exception for stream ends.
Make Unpacker.ReadXxx returns false instead of throwing exception for stream ends.

undeadlabs/msgpack-cli,scopely/msgpack-cli,undeadlabs/msgpack-cli,modulexcite/msgpack-cli,msgpack/msgpack-cli,modulexcite/msgpack-cli,msgpack/msgpack-cli,scopely/msgpack-cli