docs: public void writeFields(ArrayList<String> fields) throws IOException {
  
  		if (newWriter) {
  			this.newWriter = false;
  		} else {
  			this.newLine();
  		}
  		Iterator<String> si = fields.iterator();
  		while (si.hasNext()) {
  			this.writeField(si.next());
  		}
  	}