硬改版本，不建议合并，有短期需求的自取。

[dlsimple]

1. 修复部分因为Postgres jsonb为空导致的segmentation fault
2. 增加对于Postgres命令的配置文件和线程数的命令行参数支持
3. 跳过copy_table_data复制报错，因为源库可以用权限来限制要同步的表
4. 增加自动清理同步临时表，仅保留最近1000条
5. 跳过因为未知原因导致的SQL为空的问题
6. 跳过因为未知原因导致不该有的增量的INSERT报错

[CLAassistant]

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[wjzeng]

感谢你的贡献。