SPIGOT-3976: Add some additional toStrings to CraftEntity classes

src/main/java/org/bukkit/craftbukkit/entity/CraftAreaEffectCloud.java

@@ -33,6 +33,11 @@ public class CraftAreaEffectCloud extends CraftEntity implements AreaEffectCloud
         return (EntityAreaEffectCloud) super.getHandle();
     }
 
+    @Override
+    public String toString() {
+        return "CraftAreaEffectCloud";
+    }
+
     @Override
     public EntityType getType() {
         return EntityType.AREA_EFFECT_CLOUD;

src/main/java/org/bukkit/craftbukkit/entity/CraftDragonFireball.java

@@ -10,6 +10,11 @@ public class CraftDragonFireball extends CraftFireball implements DragonFireball
         super(server, entity);
     }
 
+    @Override
+    public String toString() {
+        return "CraftDragonFireball";
+    }
+
     @Override
     public EntityType getType() {
         return EntityType.DRAGON_FIREBALL;

src/main/java/org/bukkit/craftbukkit/entity/CraftMinecartCommand.java

@@ -43,6 +43,11 @@ public class CraftMinecartCommand extends CraftMinecart implements CommandMineca
         getHandle().getCommandBlock().setName(name != null ? name : "@");
     }
 
+    @Override
+    public String toString() {
+        return "CraftMinecartCommand";
+    }
+
     @Override
     public EntityType getType() {
         return EntityType.MINECART_COMMAND;

src/main/java/org/bukkit/craftbukkit/entity/CraftShulker.java

@@ -13,6 +13,11 @@ public class CraftShulker extends CraftGolem implements Shulker {
         super(server, entity);
     }
 
+    @Override
+    public String toString() {
+        return "CraftShulker";
+    }
+
     @Override
     public EntityType getType() {
         return EntityType.SHULKER;

src/main/java/org/bukkit/craftbukkit/entity/CraftShulkerBullet.java

@@ -38,6 +38,11 @@ public class CraftShulkerBullet extends AbstractProjectile implements ShulkerBul
         getHandle().setTarget(target == null ? null : ((CraftEntity) target).getHandle());
     }
 
+    @Override
+    public String toString() {
+        return "CraftShulkerBullet";
+    }
+
     @Override
     public EntityType getType() {
         return EntityType.SHULKER_BULLET;