diff --git a/pom.xml b/pom.xml
index 1346e681e..dedd99710 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>world.bentobox</groupId>
 	<artifactId>bentobox</artifactId>
-	<version>0.15.0</version>
+	<version>0.16.0-SNAPSHOT</version>
 
 	<name>BentoBox</name>
 	<description>BentoBox is an expandable Minecraft Spigot plugin for island-type games like ASkyBlock or AcidIsland.</description>
diff --git a/src/main/java/world/bentobox/bentobox/database/Database.java b/src/main/java/world/bentobox/bentobox/database/Database.java
index f10ab3a9d..35f4d8d33 100644
--- a/src/main/java/world/bentobox/bentobox/database/Database.java
+++ b/src/main/java/world/bentobox/bentobox/database/Database.java
@@ -66,8 +66,11 @@ public class Database<T> {
         try {
             result = handler.loadObject(uniqueId);
         } catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException
-                | ClassNotFoundException | IntrospectionException | NoSuchMethodException | SecurityException e) {
+                | ClassNotFoundException | IntrospectionException | SecurityException e) {
             logger.severe(() -> "Could not load object from database! " + e.getMessage());
+        } catch (NoSuchMethodException e) {
+            logger.severe(() -> "Could not load object from database! " + e.getMessage());
+            logger.severe(() -> "Did you forget the JavaBean no-arg default constructor?");
         }
         return result;
     }
diff --git a/src/main/java/world/bentobox/bentobox/database/yaml/YamlDatabaseHandler.java b/src/main/java/world/bentobox/bentobox/database/yaml/YamlDatabaseHandler.java
index 92286d45a..66ec372bd 100644
--- a/src/main/java/world/bentobox/bentobox/database/yaml/YamlDatabaseHandler.java
+++ b/src/main/java/world/bentobox/bentobox/database/yaml/YamlDatabaseHandler.java
@@ -491,19 +491,30 @@ public class YamlDatabaseHandler<T> extends AbstractDatabaseHandler<T> {
             return Long.valueOf((Integer) value);
         }
         if (value.getClass().equals(String.class)) {
-            return deserializeGenericTypes((String) value, clazz);
+            if (clazz.equals(Integer.class)) {
+                return Integer.valueOf((String) value);
+            }
+            if (clazz.equals(Long.class)) {
+                return Long.valueOf((String) value);
+            }
+            if (clazz.equals(Double.class)) {
+                return Double.valueOf((String) value);
+            }
+            if (clazz.equals(Float.class)) {
+                return Float.valueOf((String) value);
+            }
         }
         if (clazz.equals(UUID.class)) {
-            return UUID.fromString((String)value);
+            value = UUID.fromString((String)value);
         }
         // Bukkit Types
         if (clazz.equals(Location.class)) {
             // Get Location from String - may be null...
-            return Util.getLocationString(((String)value));
+            value = Util.getLocationString(((String)value));
         }
         if (clazz.equals(World.class)) {
             // Get world by name - may be null...
-            return plugin.getServer().getWorld((String)value);
+            value = plugin.getServer().getWorld((String)value);
         }
         // Enums
         if (Enum.class.isAssignableFrom(clazz)) {
@@ -511,7 +522,7 @@ public class YamlDatabaseHandler<T> extends AbstractDatabaseHandler<T> {
             // Find out the value
             Class<Enum> enumClass = (Class<Enum>)clazz;
             try {
-                return Enum.valueOf(enumClass, (String)value);
+                value = Enum.valueOf(enumClass, ((String)value).toUpperCase());
             } catch (Exception e) {
                 // This value does not exist - probably admin typed it wrongly
                 // Show what is available and pick one at random
@@ -520,28 +531,12 @@ public class YamlDatabaseHandler<T> extends AbstractDatabaseHandler<T> {
                 for (Field fields : enumClass.getFields()) {
                     plugin.logError(fields.getName());
                 }
+                value = null;
             }
         }
-        // Could not deserialize the value.
         return value;
     }
 
-    private Object deserializeGenericTypes(String value, Class<?> clazz) {
-        if (clazz.equals(Integer.class)) {
-            return Integer.valueOf(value);
-        }
-        if (clazz.equals(Long.class)) {
-            return Long.valueOf(value);
-        }
-        if (clazz.equals(Double.class)) {
-            return Double.valueOf(value);
-        }
-        if (clazz.equals(Float.class)) {
-            return Float.valueOf(value);
-        }
-        return null;
-    }
-
     /* (non-Javadoc)
      * @see world.bentobox.bentobox.database.AbstractDatabaseHandler#deleteObject(java.lang.Object)
      */
diff --git a/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java b/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java
index dee3bbe66..10726ee75 100644
--- a/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java
+++ b/src/main/java/world/bentobox/bentobox/listeners/flags/BreedingListener.java
@@ -30,7 +30,8 @@ public class BreedingListener extends FlagListener {
             Material.EGG,
             Material.WHEAT,
             Material.CARROT,
-            Material.WHEAT_SEEDS);
+            Material.WHEAT_SEEDS,
+            Material.SEAGRASS);
 
 
     @EventHandler(priority = EventPriority.LOW, ignoreCancelled=true)
diff --git a/src/main/java/world/bentobox/bentobox/managers/AddonsManager.java b/src/main/java/world/bentobox/bentobox/managers/AddonsManager.java
index 1b1259250..531d055f4 100644
--- a/src/main/java/world/bentobox/bentobox/managers/AddonsManager.java
+++ b/src/main/java/world/bentobox/bentobox/managers/AddonsManager.java
@@ -114,8 +114,12 @@ public class AddonsManager {
 
     private void loadAddon(File f) {
         Addon addon;
-        // try loading the addon
-        try (JarFile jar = new JarFile(f); AddonClassLoader addonClassLoader = new AddonClassLoader(this, addonDescription(jar), f, this.getClass().getClassLoader())) {
+        try (JarFile jar = new JarFile(f)) {
+            // try loading the addon
+            // Get description in the addon.yml file
+            YamlConfiguration data = addonDescription(jar);
+            // Load the addon
+            AddonClassLoader addonClassLoader = new AddonClassLoader(this, data, f, this.getClass().getClassLoader());
             // Get the addon itself
             addon = addonClassLoader.getAddon();
             // Initialize some settings
diff --git a/src/test/java/world/bentobox/bentobox/listeners/flags/BreedingListenerTest.java b/src/test/java/world/bentobox/bentobox/listeners/flags/BreedingListenerTest.java
new file mode 100644
index 000000000..e93b4eef1
--- /dev/null
+++ b/src/test/java/world/bentobox/bentobox/listeners/flags/BreedingListenerTest.java
@@ -0,0 +1,297 @@
+/**
+ *
+ */
+package world.bentobox.bentobox.listeners.flags;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.logging.Logger;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.Server;
+import org.bukkit.World;
+import org.bukkit.entity.Animals;
+import org.bukkit.entity.Cow;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Slime;
+import org.bukkit.entity.Zombie;
+import org.bukkit.event.player.PlayerInteractAtEntityEvent;
+import org.bukkit.inventory.EquipmentSlot;
+import org.bukkit.inventory.ItemFactory;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.PlayerInventory;
+import org.bukkit.inventory.meta.SkullMeta;
+import org.bukkit.plugin.PluginManager;
+import org.bukkit.util.Vector;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.mockito.stubbing.Answer;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+
+import world.bentobox.bentobox.BentoBox;
+import world.bentobox.bentobox.Settings;
+import world.bentobox.bentobox.api.configuration.WorldSettings;
+import world.bentobox.bentobox.api.user.Notifier;
+import world.bentobox.bentobox.api.user.User;
+import world.bentobox.bentobox.database.objects.Island;
+import world.bentobox.bentobox.lists.Flags;
+import world.bentobox.bentobox.managers.FlagsManager;
+import world.bentobox.bentobox.managers.IslandWorldManager;
+import world.bentobox.bentobox.managers.IslandsManager;
+import world.bentobox.bentobox.managers.LocalesManager;
+import world.bentobox.bentobox.managers.PlayersManager;
+import world.bentobox.bentobox.util.Util;
+
+/**
+ * @author tastybento
+ *
+ */
+@RunWith(PowerMockRunner.class)
+@PrepareForTest( {Bukkit.class, BentoBox.class, Flags.class, Util.class} )
+public class BreedingListenerTest {
+
+    private Location location;
+    private BentoBox plugin;
+    private Notifier notifier;
+    private Player player;
+    private PlayerInventory inventory;
+    private ItemStack itemInMainHand;
+    private ItemStack itemInOffHand;
+    private IslandWorldManager iwm;
+
+    private static final List<Material> BREEDING_ITEMS = Arrays.asList(
+            Material.EGG,
+            Material.WHEAT,
+            Material.CARROT,
+            Material.WHEAT_SEEDS,
+            Material.SEAGRASS);
+
+    @Before
+    public void setUp() {
+        // Set up plugin
+        plugin = mock(BentoBox.class);
+        Whitebox.setInternalState(BentoBox.class, "instance", plugin);
+
+        Server server = mock(Server.class);
+        World world = mock(World.class);
+        when(server.getLogger()).thenReturn(Logger.getAnonymousLogger());
+        when(server.getWorld("world")).thenReturn(world);
+        when(server.getVersion()).thenReturn("BSB_Mocking");
+
+        PluginManager pluginManager = mock(PluginManager.class);
+        when(server.getPluginManager()).thenReturn(pluginManager);
+
+        ItemFactory itemFactory = mock(ItemFactory.class);
+        when(server.getItemFactory()).thenReturn(itemFactory);
+
+        PowerMockito.mockStatic(Bukkit.class);
+        when(Bukkit.getServer()).thenReturn(server);
+        //Bukkit.setServer(server);
+
+        SkullMeta skullMeta = mock(SkullMeta.class);
+        when(itemFactory.getItemMeta(any())).thenReturn(skullMeta);
+        when(Bukkit.getItemFactory()).thenReturn(itemFactory);
+        when(Bukkit.getLogger()).thenReturn(Logger.getAnonymousLogger());
+        location = mock(Location.class);
+        when(location.getWorld()).thenReturn(world);
+        when(location.getBlockX()).thenReturn(0);
+        when(location.getBlockY()).thenReturn(0);
+        when(location.getBlockZ()).thenReturn(0);
+        PowerMockito.mockStatic(Flags.class);
+
+        FlagsManager flagsManager = new FlagsManager(plugin);
+        when(plugin.getFlagsManager()).thenReturn(flagsManager);
+
+
+        // Worlds
+        iwm = mock(IslandWorldManager.class);
+        when(iwm.inWorld(any(World.class))).thenReturn(true);
+        when(iwm.inWorld(any(Location.class))).thenReturn(true);
+        when(plugin.getIWM()).thenReturn(iwm);
+
+        // Monsters and animals
+        Zombie zombie = mock(Zombie.class);
+        when(zombie.getLocation()).thenReturn(location);
+        Slime slime = mock(Slime.class);
+        when(slime.getLocation()).thenReturn(location);
+        Cow cow = mock(Cow.class);
+        when(cow.getLocation()).thenReturn(location);
+
+        // Fake players
+        Settings settings = mock(Settings.class);
+        Mockito.when(plugin.getSettings()).thenReturn(settings);
+        Mockito.when(settings.getFakePlayers()).thenReturn(new HashSet<>());
+
+        // Player and player inventory. Start with nothing in hands
+        player = mock(Player.class);
+        inventory = mock(PlayerInventory.class);
+        itemInMainHand = mock(ItemStack.class);
+        when(itemInMainHand.getType()).thenReturn(Material.AIR);
+        itemInOffHand = mock(ItemStack.class);
+        when(itemInOffHand.getType()).thenReturn(Material.AIR);
+        when(inventory.getItemInMainHand()).thenReturn(itemInMainHand);
+        when(inventory.getItemInOffHand()).thenReturn(itemInOffHand);
+        when(player.getInventory()).thenReturn(inventory);
+        User.setPlugin(plugin);
+
+        // Locales
+        LocalesManager lm = mock(LocalesManager.class);
+        when(plugin.getLocalesManager()).thenReturn(lm);
+        Answer<String> answer = invocation -> (String)Arrays.asList(invocation.getArguments()).get(1);
+        when(lm.get(any(), any())).thenAnswer(answer);
+
+        // Player name
+        PlayersManager pm = mock(PlayersManager.class);
+        when(pm.getName(Mockito.any())).thenReturn("tastybento");
+        when(plugin.getPlayers()).thenReturn(pm);
+
+        // World Settings
+        WorldSettings ws = mock(WorldSettings.class);
+        when(iwm.getWorldSettings(Mockito.any())).thenReturn(ws);
+        Map<String, Boolean> worldFlags = new HashMap<>();
+        when(ws.getWorldFlags()).thenReturn(worldFlags);
+
+        // Island manager
+        IslandsManager im = mock(IslandsManager.class);
+        when(plugin.getIslands()).thenReturn(im);
+        Island island = mock(Island.class);
+        Optional<Island> optional = Optional.of(island);
+        when(im.getProtectedIslandAt(Mockito.any())).thenReturn(optional);
+
+        // Notifier
+        notifier = mock(Notifier.class);
+        when(plugin.getNotifier()).thenReturn(notifier);
+
+        PowerMockito.mockStatic(Util.class);
+        when(Util.getWorld(Mockito.any())).thenReturn(mock(World.class));
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.listeners.flags.BreedingListener#onPlayerInteract(org.bukkit.event.player.PlayerInteractAtEntityEvent)}.
+     */
+    @Test
+    public void testOnPlayerInteractNotAnimal() {
+        Entity clickedEntity = mock(Entity.class);
+        Vector position = new Vector(0,0,0);
+        PlayerInteractAtEntityEvent e = new PlayerInteractAtEntityEvent(player, clickedEntity , position);
+        new BreedingListener().onPlayerInteract(e);
+        assertFalse("Not animal failed", e.isCancelled());
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.listeners.flags.BreedingListener#onPlayerInteract(org.bukkit.event.player.PlayerInteractAtEntityEvent)}.
+     */
+    @Test
+    public void testOnPlayerInteractAnimalNothingInMainHand() {
+
+        Animals clickedEntity = mock(Animals.class);
+        Vector position = new Vector(0,0,0);
+        PlayerInteractAtEntityEvent e = new PlayerInteractAtEntityEvent(player, clickedEntity , position);
+        new BreedingListener().onPlayerInteract(e);
+        assertFalse("Animal, nothing in main hand failed", e.isCancelled());
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.listeners.flags.BreedingListener#onPlayerInteract(org.bukkit.event.player.PlayerInteractAtEntityEvent)}.
+     */
+    @Test
+    public void testOnPlayerInteractAnimalNothingInOffHand() {
+        Animals clickedEntity = mock(Animals.class);
+        Vector position = new Vector(0,0,0);
+        PlayerInteractAtEntityEvent e = new PlayerInteractAtEntityEvent(player, clickedEntity , position, EquipmentSlot.OFF_HAND);
+        new BreedingListener().onPlayerInteract(e);
+        assertFalse("Animal, nothing in off hand failed", e.isCancelled());
+    }
+
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.listeners.flags.BreedingListener#onPlayerInteract(org.bukkit.event.player.PlayerInteractAtEntityEvent)}.
+     */
+    @Test
+    public void testOnPlayerInteractAnimalBreedingFoodInMainHandNotRightWorld() {
+        Animals clickedEntity = mock(Animals.class);
+        when(clickedEntity.getLocation()).thenReturn(location);
+        when(iwm.inWorld(any(World.class))).thenReturn(false);
+        when(iwm.inWorld(any(Location.class))).thenReturn(false);
+        Vector position = new Vector(0,0,0);
+        PlayerInteractAtEntityEvent e = new PlayerInteractAtEntityEvent(player, clickedEntity , position);
+        BreedingListener bl = new BreedingListener();
+        for (Material breedingMat : BREEDING_ITEMS) {
+            when(itemInMainHand.getType()).thenReturn(breedingMat);
+            bl.onPlayerInteract(e);
+            assertFalse("Animal, breeding item in main hand, wrong world failed " + breedingMat, e.isCancelled());
+        }
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.listeners.flags.BreedingListener#onPlayerInteract(org.bukkit.event.player.PlayerInteractAtEntityEvent)}.
+     */
+    @Test
+    public void testOnPlayerInteractAnimalBreedingFoodInMainHand() {
+        Animals clickedEntity = mock(Animals.class);
+        when(clickedEntity.getLocation()).thenReturn(location);
+        Vector position = new Vector(0,0,0);
+        PlayerInteractAtEntityEvent e = new PlayerInteractAtEntityEvent(player, clickedEntity , position);
+        BreedingListener bl = new BreedingListener();
+        for (Material breedingMat : BREEDING_ITEMS) {
+            when(itemInMainHand.getType()).thenReturn(breedingMat);
+            bl.onPlayerInteract(e);
+            assertTrue("Animal, breeding item in main hand failed " + breedingMat, e.isCancelled());
+        }
+    }
+
+    /**
+     * Test method for {@link world.bentobox.bentobox.listeners.flags.BreedingListener#onPlayerInteract(org.bukkit.event.player.PlayerInteractAtEntityEvent)}.
+     */
+    @Test
+    public void testOnPlayerInteractAnimalBreedingFoodInOffHandNotRightWorld() {
+        Animals clickedEntity = mock(Animals.class);
+        when(clickedEntity.getLocation()).thenReturn(location);
+        when(iwm.inWorld(any(World.class))).thenReturn(false);
+        when(iwm.inWorld(any(Location.class))).thenReturn(false);
+        Vector position = new Vector(0,0,0);
+        PlayerInteractAtEntityEvent e = new PlayerInteractAtEntityEvent(player, clickedEntity , position, EquipmentSlot.OFF_HAND);
+        BreedingListener bl = new BreedingListener();
+        for (Material breedingMat : BREEDING_ITEMS) {
+            when(itemInOffHand.getType()).thenReturn(breedingMat);
+            bl.onPlayerInteract(e);
+            assertFalse("Animal, breeding item in off hand, wrong world failed " + breedingMat, e.isCancelled());
+        }
+    }
+
+    /**
+     * I am not sure if breeding with off hand is possible!
+     * Test method for {@link world.bentobox.bentobox.listeners.flags.BreedingListener#onPlayerInteract(org.bukkit.event.player.PlayerInteractAtEntityEvent)}.
+     */
+    @Test
+    public void testOnPlayerInteractAnimalBreedingFoodInOffHand() {
+        Animals clickedEntity = mock(Animals.class);
+        when(clickedEntity.getLocation()).thenReturn(location);
+        Vector position = new Vector(0,0,0);
+        PlayerInteractAtEntityEvent e = new PlayerInteractAtEntityEvent(player, clickedEntity , position, EquipmentSlot.OFF_HAND);
+        BreedingListener bl = new BreedingListener();
+        for (Material breedingMat : BREEDING_ITEMS) {
+            when(itemInOffHand.getType()).thenReturn(breedingMat);
+            bl.onPlayerInteract(e);
+            assertTrue("Animal, breeding item in off hand failed " + breedingMat, e.isCancelled());
+        }
+    }
+}
diff --git a/src/test/java/world/bentobox/bentobox/listeners/flags/PhysicalInteractionListenerTest.java b/src/test/java/world/bentobox/bentobox/listeners/flags/PhysicalInteractionListenerTest.java
index 8a89b3894..c0eaab910 100644
--- a/src/test/java/world/bentobox/bentobox/listeners/flags/PhysicalInteractionListenerTest.java
+++ b/src/test/java/world/bentobox/bentobox/listeners/flags/PhysicalInteractionListenerTest.java
@@ -1,5 +1,5 @@
 /**
- * 
+ *
  */
 package world.bentobox.bentobox.listeners.flags;
 
@@ -70,9 +70,9 @@ import world.bentobox.bentobox.util.Util;
 @PrepareForTest( {BentoBox.class, Flags.class, Util.class, Bukkit.class} )
 public class PhysicalInteractionListenerTest {
 
-    private static Location location;
-    private static BentoBox plugin;
-    private static Notifier notifier;
+    private Location location;
+    private BentoBox plugin;
+    private Notifier notifier;
 
     @Before
     public void setUp() {
@@ -318,7 +318,7 @@ public class PhysicalInteractionListenerTest {
     @Test
     public void testOnProjectileHitProjectileBlockNull() {
         Projectile entity = mock(Projectile.class);
-        ProjectileSource source = (ProjectileSource) mock(Creeper.class);
+        ProjectileSource source = mock(Creeper.class);
         when(entity.getShooter()).thenReturn(source);
         Block block = null;
         EntityInteractEvent e = new EntityInteractEvent(entity, block);
@@ -333,7 +333,7 @@ public class PhysicalInteractionListenerTest {
     @Test
     public void testOnProjectileHitProjectile() {
         Projectile entity = mock(Projectile.class);
-        ProjectileSource source = (ProjectileSource) mock(Creeper.class);
+        ProjectileSource source = mock(Creeper.class);
         when(entity.getShooter()).thenReturn(source);
         Block block = mock(Block.class);
         EntityInteractEvent e = new EntityInteractEvent(entity, block);
@@ -348,7 +348,7 @@ public class PhysicalInteractionListenerTest {
     @Test
     public void testOnProjectileHitProjectileBlockNullPlayer() {
         Projectile entity = mock(Projectile.class);
-        ProjectileSource source = (ProjectileSource) mock(Player.class);
+        ProjectileSource source = mock(Player.class);
         when(entity.getShooter()).thenReturn(source);
         Block block = null;
         EntityInteractEvent e = new EntityInteractEvent(entity, block);
@@ -367,7 +367,7 @@ public class PhysicalInteractionListenerTest {
         when(player.isOp()).thenReturn(false);
         when(player.getLocation()).thenReturn(location);
         User.getInstance(player);
-        ProjectileSource source = (ProjectileSource) player ;
+        ProjectileSource source = player ;
         when(entity.getShooter()).thenReturn(source);
         Block block = mock(Block.class);
         when(block.getLocation()).thenReturn(location);