v0.2.3 Release

easylog

1. fix the lock of log in sync mode. #414
2. support more format type for ostream #410
3. set default log level as TRACE in debug, as WARN in release. #396
4. allow user override easylog by macro #412

struct_json/xml/yaml

1. add support for alias #404
2. allow serialize shared_ptr #402
3. add support for reflection private member #398

coro_io

1. add more log for trace & debug #412
2. fix variable lifetime of coro_io::sleep_for #403
3. client_pool will try to collect free client from queue if connect cost a lot of time. #403

coro_http

1. add function std::string _view coro_http_client::get_host(), std::string _view coro_http_client::get_port() #409
2. add option enable_tcp_no_delay; #408

coro_rpc

1. add function std::string _view coro_rpc_client::get_host(), std::string _view coro_rpc_client::get_port() #411
2. fix example client(the old client forget to regist rpc function named nested_echo). #411