I am unsure if it is how I am sending the line or if it is just failure to receive it. I tried sending a message the Twitch IRC said was unknown just to prompt a message from the server, I do the same on my program without the same result
Using this as a send https://ghostbin.com/paste/s5stq
I get this
Screenshot - 3d0460bbc11315421104e7bb71db7f0d - Gyazo
//edit
I also connected to the Freenode.net IRC which automatically sends a message when you connect and my program did not print it.
Screenshot - 560a4b729d5ac9ecc25829bf4571e45a - Gyazo