Release-v1.0.0

fix(log): remove all the log output

Release-0.3.0

• Import Google-Test framework and add some core tests.
• Import spdlog for better performance and thread-safety.
• Fix bugs.

v0.2.0 - Support For Service Register

• Add support for various service registration.
• Import service and stub form protobuf library of google.

v0.1.0 - Implement Basic RPC Framework

• Implement RPC framework, generating rpc static library
• Add test server and client
• Only one type of rpc call is supported.