Encrypt message Packages

Node.js websocket enhanced service. Support node.js and browser platform, features: message encrypt(base on 4096 length rsa and symmetric), basic heartbeat, client authorization, directly message, channel message.

Node.js websocket enhanced service. Support node.js and browser platform, features: message encrypt(base on 4096 length rsa and symmetric), basic heartbeat, client authorization, directly message, channel message.