Changed rpc message size validation to have min/max instead of exact, for backwards compatibility
Changed rpc message size validation to have min/max instead of exact, for backwards compatibility

Signed-off-by: John Zila <a51dda7c7ff50b61eaea0444371f4a6a9301e501@jzila.com>

keybase/go-framed-msgpack-rpc,jzila/go-framed-msgpack-rpc