title: FourSquare venue search using categories
body: <p>I am seeing some weird behaviors when I use the search API from FourSquare.  The site I am building lists all the nightclub spots (www.nationalvip.com)</p>
  
  <p>When I search using 5 categories:</p>
  
  <pre><code>// 4bf58dd8d48988d121941735 - lounge
  // 4bf58dd8d48988d11f941735 - nightclub
  // 4bf58dd8d48988d1e7931735 - jazz club
  // 4bf58dd8d48988d1e9931735 - rock club
  // 4bf58dd8d48988d1d8941735 - gay clubs
  </code></pre>
  
  <p>Some of the nightclubs that are in category: 4bf58dd8d48988d1d8941735 do no show up.</p>
  
  <p>So query like this:</p>
  
  <pre><code>/v2/venues/search?categoryId=4bf58dd8d48988d121941735,4bf58dd8d48988d11f941735,4bf58dd8d48988d1d8941735,4bf58dd8d48988d1e9931735,4bf58dd8d48988d1e7931735&amp;ll=47.6097,-122.3331&amp;radius=10000&amp;intent=browse&amp;v=20120801
  </code></pre>
  
  <p>Omits this venue:</p>
  
  <pre><code>https://foursquare.com/v/last-supper-club/40b13b00f964a520a7f61ee3
  </code></pre>
  
  <p>When I just use that category on it's own they do.  </p>
  
  <pre><code>...?categoryId=4bf58dd8d48988d1d8941735&amp;ll=47.6097,-122.3331&amp;radius=10000&amp;intent=browse&amp;v=20120801
  </code></pre>
  
  <p>I have tried re-arranging the categories.  I'd really like to avoid having to call the API many times with various categories.</p>
  
  <p>Has anyone else seen this happen?</p>