Hi, sorry for not responding to this before. I hadn't seen it.

1) Good idea! Might implement this soon.
2) Just submitted a new version to support this. It'll be available soon!

Re privacy: I may type something up for the extension page. Rest assured that no data is, or will ever be, collected from this extension. The only outside world connection is when it opens a duckduckgo search for you. Feel free to investigate the code. https://github.com/adriangoransson/duckduckgo-bangs/tree/master/extension