Alternative String Encode Solution
Base64 is a way to encode and decode chars as bytes to avoid special chars in network transmission, i.e. SMTP or so. But it is a general standard so the firewall might decode them as they want and mislead. Now let us use other encodings alike! Let the firewalls shut up! Long Live Sinri!
Here just provide the algorithms. They are all shared with GNU Lesser General Public License v3.0.