PLEASE open source this! I will use it and might even help you finish it.
Actually, this is my first C++ project, I don't even know C++ (only a bit C from high school).
In my opinion you're being way too harsh on yourself. What you said basically amounts to "it's too simple, I used a library, I cannot guarantee it won't ever crash".
Congrats on the first of those three, and welcome to the club with regards to the last two.