Encode Text and Messages

Examples of use:
- Encrypt your messages before you save in your notes, so you are sure that no one can read.
- Keep a secret with a friend a key to decrypt your encrypted texts and whenever you send a message that you want to make sure that only the right person will read, encode text before and send.

Encryption methods that are included:
-Caesar cipher.
-Rail fence cipher.
-Vigenère cipher.
-AES encryption (used by the US government and various services such as Internet banking and wireless communication systems).