mysql-server-has-gone 2.0.4

Django myslq backend that fixes issue with long living connection

基于下面库进行优化，主要适配Django==5.0.3以后的版本。修复原子事务报错的问题

安装：pip install mysql_server_has_gone 因为代码里用到了MySQLdb库，所以需要安装mysqlclient。如果你用到了其他库导致报错，可以github上滴滴我，我会及时修复的。

以下是原始文档：

MySQL-server-has-gone-away

This repository solves issue where database connection inside of django overlives MySQL database connection timeout specified in /etc/my.cnf wait_timeout = xxxx. See this issue

How to use:

1. For Django 1.x and 2.x use pip install mysql_server_has_gone_away==1.0.0

2. For django 3.x use pip install mysql_server_has_gone==2.0.0

3. Put this engine into Django settings.py:

DATABASES = {
	'default': {
		'ENGINE': 'mysql_server_has_gone_away', 
		#'NAME': 'database-name',
		#'USER': 'database-user',
		#'PASSWORD': 'database-password',
		#'HOST': 'localhost',
	}
}