message: Use capturing group when retrieving headers
  Instead of a simple string. Closes
diff: @@ -757,8 +757,7 @@ function _parseHeaders( headersString ) {
  continue;
  }
  -
  - header = headers[i].split( ': ' );
  + header = headers[i].split( /:\s(.+)/ );
  if ( header[0].toUpperCase() == 'SET-COOKIE' ) {
  if ( !currHeaders['Set-Cookie'] ) {
  currHeaders['Set-Cookie'] = [];
  