C/C++ server and network library, including coroutine,redis client,http/https/websocket,mqtt, mysql/postgresql/sqlite client with C/C++ for Linux, Android, iOS, MacOS, Windows, etc..
feature: Add support for udp multicast;
bugfix: Fixed one dead loop bugin mqtt_connect.cpp;
workaroud: Add prefix on avl API to avoid API conlision;
optimize: Optimize acl_htable module;
feature: Add some supports for c++11/c++17;
feature: Add proc_pidpath() on MacOS.