HubPress looks super useful. How does it handle other non-blog-ish content Jekyll supports, like data files and collections? I've used Prose.io as well, which

HubPress looks super useful. How does it handle other non-blog-ish content Jekyll supports, like data files and collections? I've used Prose.io as well, which has a nice UI and serves a similar purpose. I like that HubPress can just be run from your domain though.