Feature request: Quit after sending

[NotNite]

sendme seems to stay open after sending a file, which is useful when you're sending to multiple parties. Often times, though, I'm just sending a single file to a single person and then closing it afterwards. It would be nice if there was an option to quit after a transfer succeeds.

[rklaehn]

This does not sound hard to implement. Any preference how the cli args should be called? --quit, or have a count until which it quits? I assume it should only count full transfers?

I want to keep the default behaviour the same, so it would have to be an extra option.

[breedx2]

How about --once as an alias for --send-count 1?