Make delay before execution command in more efficient way

internal/lib/spawn.go

@@ -13,7 +13,7 @@ import (
 // Spawner forks and execs given program, and also detaches form its control tty.
 func (c *MyConfig) Spawner() {
 	for prg := range c.Channels.RunChan {
-		<-time.After(25 * time.Millisecond)
+		time.Sleep(25 * time.Millisecond)
 
 		devnullR, err := os.Open(os.DevNull)
 		if err != nil {