what changes

• add Config::new().worker_tasks(n) to control worker_tasks
• update lz4_flex version

what changes?

• Implement stderr appender

what changes?

• add some doc
• remove deadcode

what changes?

• Optimize performance by using String:: with_capacity for early allocation

what changes?

• remove once_cell
• support RollingType [ByDate,BySize,ByDuration]
• add fast_log::logger()

what changes?

• remove once_cell
• support RollingType [ByDate,BySize,ByDuration]

what changes?

• edit doc
• appender reuse Mutex lock

what changes?

• Config appends change to SyncVec<Box<dyn LogAppender>>

v1.6.14

• add add_appender method

what changes?

• rewrite Filter
• rewrite new ModuleFilter

 let m = ModuleFilter::new();
        m.modules.push(module_path!().to_string());
        pub struct A{}
        fast_log::init(Config::new()
            .console()
            .format(FastLogFormat::new().set_display_line_level(LevelFilter::Trace))
            .add_filter(m)).unwrap();
        log::info!("aaa");
        log::logger().flush();