[Bug]: C++ chat client outputs numbers to the log

[rvolosatovs]

Is there an existing issue for this?

• I have searched the existing issues

Code of Conduct

• I agree to follow this project's Code of Conduct

Current Behaviour

$ enarx deploy file://$(pwd)/cpp
hello
6
test
5
hy
3
hmm weird output
4
6
7

Expected Behaviour

$ enarx deploy file://$(pwd)/cpp
hello
test
hy
hmm weird output

Environment Information

irrelevant

Steps To Reproduce

1. Start the Rust chat-server
2. Start the C++ chat-client
3. Type messages
4. Observe numbers being printed to the log

[rvolosatovs]

@kieranjazy could you pick this one up?

[kieranjazy]

Fixed in #70