v0.4.0

Features

• [Server] Add error check for server setting #19
• [Server] Support server setting by environment variable #21
• [Server] Add game version check in the server #25
• [Server] Make docker image of server smaller

Changes

• [Client] Unify way to specify the type in client code #29
• [Server] Exclude gcc from supported compiler #8
• [Server] Improve unique variable check implementation of thread_safe_data_container #23
• [Server] Not treat expected errors due to client as server error #26
• [Server] Remove session key feature
• [Server] Update minimal serializer to v0.3.1
• [Server] Change to use vcpkg manifest mode in Visual Studio project for server
• [Server] Add test coverage calculation