4.2.0

• feature: pm2 logs --highlight <str> to highlight specified string when using pm2 logs #4013 by @bvsubhash
• feature: pm2 sysmonit activate system wide monitoring && pm2 sysinfos display system informations
• feature: new App Namespace feature via namespace attr or pm2 start app.js --namespace <ns> #3471 by @bvsubhash
• feature: enforce message sending for Windows Graceful Shutdown via pm2 start app.js --shutdown-with-message to use message sending for specific process or via PM2_KILL_USE_MESSAGE=true pm2 update to default this behavior on PM2. #3561 #3691 #3555 #4469 #4470 #4474 by @aleksk and @8ai
• feature: pm2 ls now display a hint when process list differ from dump file
• fix: if id > 100 not shown in pm2 ls #4475
• fix: stop and delete cron immediately on deletion of a process #4492 by @bvsubhash
• fix: display correct username by @bvsubhash
• chore: add test on node 13.x
• chore: cleanup some unused files
• chore: enforce node >= 8.10.0