New features:

1. Add 'save config' command in admin interface, use this command can save the master/slave infomation to the config file.
2. Add 'add/remove client' command in admin interface, use this command can set the config option: client-ips.
3. Adjust the strategy of forwarding result, avoid using too large memory.
4. When the parent process restart the child process, the child process will reload the config file.
5. The master thread only process the requests from admin port, do not process the requests from work port.
6. Add config option:'sql-log-slow' for recording slow logs.
7. Use jemalloc library to optimize memory management.
8. Support utf8mb4 charset.
9. Support prepare statement limited, supporting java, python, PHP(PDO mode).

Bug fix:

1. Fix the bug of multiple clients connect admin port, Atlas will crash.
2. Fix the bug of strategy of load balance leading read/write spliting failure.
3. Fix the bug of parsing the handshaking packet error, when the count of mysql connection reach the ceiling.
4. Fix the bug of analyzing the sql token error, Atlas will quit.