🏭 Worker on instance

Allow to launch function of class in worker
Fix worker name auto-creation

$w:=classy.Worker.new()
$w.call($w;"kill")  // auto kill worker

🚀 Initial release

• ⚙️ classy.Process
• 🚦 classy.Semaphore
• 🏭 classy.Worker
• 📋 classy.Pasteboard
• 🌐 classy.WebArea
• 🖼️ classy.Window