title: Maximum number of markers in a cluster in leaflet
body: <p>Using the Leaflet.markercluster plugin, is there a maximum amount of markers that can be added to a cluster group?</p>
  
  <p>I only ask as I display a cluster of ~13000 markers just fine, but then using the same code when trying to display 100,000+ markers in a cluster it just doesn't display.</p>
  
  <p>The shows it can display 50,000 no problem but I can't find any mention of displaying a higher amount of markers.</p>