title: how can I find github issues by close date?
body: <p>Is there a way to get the GitHub issues that were closed on-or-near a date?   I have a commit in my codebase that does not reference an issue, and I'm wondering if it was done in response to a particular issue.</p>
  
  <p>Ideally, I'd like to say "show me issues that were closed after August 10"</p>