title: highcharts export png files
body: <p>I have a problem with the highcharts export server. </p>
  
  <p>I Try to paint a graphic format. Png and jumps me the following error.</p>
  
  <p>Timeout converting SVG,is your file this big, or maybe you have a syntax error in the javascript callback?
  anyone knows how to increase the timeout call? if I make less expensive representations paints them without problem</p>
  
  <p>Thanks</p>