code: public static String encode(byte[] in) {
  		StringBuilder builder = new StringBuilder(4 * ((in.length+2)/3));
  		byte[] encoded = encodeAsBytes(in);
  		for(int i = 0; i < encoded.length; i++) {
  			builder.append(code[encoded[i]+1]);
  			if(i % 72 == 71)
  				builder.append("\n");
  		}
  		return builder.toString();
  	}
docs: Encode a byte array and return the encoded string.
  
  @param in A string to encode.
  @return The encoded byte array.