message: BugFix: createHyperlinkRels
  Fix starting value for intRels to avoid duplicate rId values when a hyperlink is on the page
diff: @@ -2197,7 +2197,7 @@ var PptxGenJS = function(){
  if ( typeof text.options.hyperlink !== 'object' ) console.log("ERROR: text `hyperlink` option should be an object. Ex: `hyperlink: {url:'https://github.com'}` ");
  else if ( !text.options.hyperlink.url && !text.options.hyperlink.slide ) console.log("ERROR: 'hyperlink requires either: `url` or `slide`'");
  else {
  - var intRels = 1;
  + var intRels = 0;
  gObjPptx.slides.forEach(function(slide,idx){ intRels += slide.rels.length; });
  var intRelId = intRels+1;
  