code: public static void copyFile(File from, File to) throws RuntimeIOException {
  		copyFile(from, to, false);
  	}
docs: Creates a copy of a file.
  
  Shorthand for <code>copyFile(from, to, false)</code>, <code>false</code>
  meaning don't overwrite existing file.
  
  @param from
  - source File
  @param to
  - destination File
  
  @throws RuntimeIOException