1、引入lombok支持，重构JavaBean 将 常规getter/setter去除

2、去除Gson 依赖

src/main/java/net/tccn/dbq/jdbc/api/DbSourceMysql.java

@@ -14,7 +14,6 @@ import java.util.concurrent.atomic.AtomicInteger;
 /**
  * Created by liangxianyou at 2019/3/12 14:20.
  */
-@SuppressWarnings("Duplicates")
 public class DbSourceMysql implements DbSource {
 
     private static ConcurrentHashMap<String, LinkedBlockingQueue<Connection>> conns = new ConcurrentHashMap<>();