docs: public static String loadString(String file) throws IOException {
  		StringBuilder sb = new StringBuilder();
  		UnicodeReader reader = new UnicodeReader(new FileInputStream(file), "utf8");
  		int n;	
  		char[] cs = new char[256];
  		while ((n = reader.read(cs)) != -1) {		
  			sb.append(Arrays.copyOfRange(cs, 0, n));			
  		}
  		return sb.toString();
  	}