code: function updateEncodedBlob(dataURL, path, blobtype) {
                      var encoded = queuedObjects.indexOf(path);
                      path = path.replace('$','derezObj');
                      eval(path+'.$enc="'+dataURL+'"');
                      eval(path+'.$type="'+blobtype+'"');
                      queuedObjects.splice(encoded, 1);
                      checkForCompletion();
                  }
docs: Async handler to update a blob object to a data URL for encoding.
  @param {String} dataURL
  @param {String} path
  @param {String} blobtype - file if the blob is a file; blob otherwise