joeldev/ADNKit — pull request #70 by mthurman (2014-01-26 00:35:09+00:00)
Title: Allow count=0 through to the API

I'm very new to objective-c so maybe this is protecting against other "falsey" objects, but being able to pass count=0 makes it very easy to subscribe to user streams when you don't care about old data and only want new data.