version 2.0.0-alpha1
 * basic feature in pure go
 * sending message in synchronous mode
 * sending message in oneway mode
 * consuming message using push model

version 1.2.0
 * support reliable synchronous sending of messages;
 * support reliable orderly sending of messages;
 * support reliable push consumption model;
 * support default cluster consumption;
 * support delayed messages;
 * support reliable pull consumption model;
 * support custom message properties;
 * support message Compression.
 * support oneway sending of messages.

version 1.0.0 @2018.10.29
 * Initialize version of Go client.