Added sshuttle to VPN

One could argue that it belongs under SSH.

README.md

@@ -238,6 +238,7 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 
 * [OpenVPN](https://community.openvpn.net) - Uses a custom security protocol that utilizes SSL/TLS for key exchange.
 * [SoftEther VPN](https://www.softether.org/) - Alternative to OpenVPN.
+* [sshuttle](https://github.com/apenwarr/sshuttle) - Poor man's VPN.
 * [strongSwan](http://www.strongswan.org/) - Complete IPsec implementation for Linux.
 
 ## Webmails