It's ok. Although I wish you had an answer for my question!
I managed to install successfully by modifying the includes in the source file headers. You'll see which ones you need to fix when you try to build and it fails. This is supposedly fixed in the last update though. Did you try installing the DEB package?
And I feel your pain about the lack of support. I don't mean to speak poorly about the developer, as what he has accomplished with Cabrio is very impressive. But the last time I reached out to him to ask questions, he responded saying that the frontend basically does what he wants and he has no plans to put much else into it. This apparently includes documentation and support.
I guess I'll stick with Wah!Cade until this gets resolved. Wish Linux had more actively supported frontend options.