Improve support for mypet

src/main/java/com/alttd/afkdectector/AFKDetector.java

@@ -60,7 +60,7 @@ public class AFKDetector extends JavaPlugin implements Listener {
             getCommand("afkcheck").setExecutor(new AFKCheckCommand(this));
             getCommand("reloadafkdetector").setExecutor(new ReloadCommand(this));
             new AFKCheckTimer(this).init();
-            myPetEnabled = getServer().getPluginManager().isPluginEnabled("MyPet");
+            myPetEnabled = getServer().getPluginManager().getPlugin("MyPet") != null;
         } catch (Throwable t) {
             getLogger().severe("An error has occured while loading AFKDetector");
             if (!(t instanceof ExceptionInInitializerError)) {

src/main/java/com/alttd/afkdectector/afkplayer/AFKPlayer.java

@@ -97,7 +97,9 @@ public class AFKPlayer {
     }
 
     public void setAFK(Player player) {
-        sendPetAway();
+        if (AFKDetector.myPetEnabled)
+            sendPetAway();
+
         bossBar.setTitle(afkKickSoon);
         bossBar.setColor(BarColor.RED);
         player.setAfk(true);