irchighway upgraded their software recently. With it came a few issues the admin are still working on. INCLUDED in this is the fact that files are not being accepted/recieved by many software clients (meaning you).
This can be solved temporarily with a very simple setting change when you connect.
"/DCCALLOW +kusano 0" will allow downloads from the bot in #LetItGo.
As of Feb 17th, 2016 this issue should be corrected.