diff --git a/.gitignore b/.gitignore
index b5225efb..bcb4bfcc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,6 @@
 .classpath
 .project
 CitizensAPI.jar
-*.lnk
\ No newline at end of file
+*.lnk
+.idea/
+*.iml
diff --git a/pom.xml b/pom.xml
index 9db9dbe8..fa3665f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,12 +4,12 @@
 
 	<groupId>net.citizensnpcs</groupId>
 	<artifactId>citizensapi</artifactId>
-	<version>2.0.13-SNAPSHOT</version>
+	<version>2.0.14-SNAPSHOT</version>
 	<name>CitizensAPI</name>
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<bukkit.version>1.7.8-R0.1-SNAPSHOT</bukkit.version>
+		<bukkit.version>1.8-R0.1-SNAPSHOT</bukkit.version>
 		<powermock.version>1.4.12</powermock.version>
 		<build.number>Unknown</build.number>
 	</properties>
diff --git a/src/main/java/net/citizensnpcs/api/ai/event/NavigatorCallback.java b/src/main/java/net/citizensnpcs/api/ai/event/NavigatorCallback.java
index ee871d4b..a4163e36 100644
--- a/src/main/java/net/citizensnpcs/api/ai/event/NavigatorCallback.java
+++ b/src/main/java/net/citizensnpcs/api/ai/event/NavigatorCallback.java
@@ -1,7 +1,5 @@
 package net.citizensnpcs.api.ai.event;
 
-import javax.annotation.Nullable;
-
 public interface NavigatorCallback {
-    void onCompletion(@Nullable CancelReason cancelReason);
+    void onCompletion(CancelReason cancelReason);
 }
diff --git a/src/main/java/net/citizensnpcs/api/ai/goals/MoveToGoal.java b/src/main/java/net/citizensnpcs/api/ai/goals/MoveToGoal.java
index 2c9caff1..5e316bc7 100644
--- a/src/main/java/net/citizensnpcs/api/ai/goals/MoveToGoal.java
+++ b/src/main/java/net/citizensnpcs/api/ai/goals/MoveToGoal.java
@@ -1,7 +1,5 @@
 package net.citizensnpcs.api.ai.goals;
 
-import javax.annotation.Nullable;
-
 import net.citizensnpcs.api.ai.event.CancelReason;
 import net.citizensnpcs.api.ai.event.NavigatorCallback;
 import net.citizensnpcs.api.ai.tree.BehaviorGoalAdapter;
@@ -43,7 +41,7 @@ public boolean shouldExecute() {
             npc.getNavigator().setTarget(target);
             npc.getNavigator().getLocalParameters().addSingleUseCallback(new NavigatorCallback() {
                 @Override
-                public void onCompletion(@Nullable CancelReason cancelReason) {
+                public void onCompletion(CancelReason cancelReason) {
                     finished = true;
                     reason = cancelReason;
                 }
diff --git a/src/main/java/net/citizensnpcs/api/ai/goals/TargetNearbyEntityGoal.java b/src/main/java/net/citizensnpcs/api/ai/goals/TargetNearbyEntityGoal.java
index 18731702..9e2b3727 100644
--- a/src/main/java/net/citizensnpcs/api/ai/goals/TargetNearbyEntityGoal.java
+++ b/src/main/java/net/citizensnpcs/api/ai/goals/TargetNearbyEntityGoal.java
@@ -4,8 +4,6 @@
 import java.util.EnumSet;
 import java.util.Set;
 
-import javax.annotation.Nullable;
-
 import net.citizensnpcs.api.ai.event.CancelReason;
 import net.citizensnpcs.api.ai.event.NavigatorCallback;
 import net.citizensnpcs.api.ai.tree.BehaviorGoalAdapter;
@@ -63,7 +61,7 @@ public boolean shouldExecute() {
             npc.getNavigator().setTarget(target, aggressive);
             npc.getNavigator().getLocalParameters().addSingleUseCallback(new NavigatorCallback() {
                 @Override
-                public void onCompletion(@Nullable CancelReason cancelReason) {
+                public void onCompletion(CancelReason cancelReason) {
                     reason = cancelReason;
                     finished = true;
                 }
diff --git a/src/main/java/net/citizensnpcs/api/ai/tree/Selector.java b/src/main/java/net/citizensnpcs/api/ai/tree/Selector.java
index 3798aae4..7bc18089 100644
--- a/src/main/java/net/citizensnpcs/api/ai/tree/Selector.java
+++ b/src/main/java/net/citizensnpcs/api/ai/tree/Selector.java
@@ -5,8 +5,6 @@
 import java.util.List;
 import java.util.Random;
 
-import javax.annotation.Nullable;
-
 import com.google.common.base.Function;
 
 /**
@@ -112,7 +110,7 @@ public Builder retryChildren() {
          * Sets whether to retry child {@link Behavior}s when they return
          * {@link BehaviorStatus#FAILURE}.
          *
-         * @param retry
+         * @param b
          *            Whether to retry children
          */
         public Builder retryChildren(boolean b) {
@@ -145,7 +143,7 @@ public static Builder selecting(Collection<Behavior> behaviors) {
     private static final Random RANDOM = new Random();
     private static final Function<List<Behavior>, Behavior> RANDOM_SELECTION = new Function<List<Behavior>, Behavior>() {
         @Override
-        public Behavior apply(@Nullable List<Behavior> behaviors) {
+        public Behavior apply(List<Behavior> behaviors) {
             return behaviors.get(RANDOM.nextInt(behaviors.size()));
         }
     };
diff --git a/src/main/java/net/citizensnpcs/api/ai/tree/Selectors.java b/src/main/java/net/citizensnpcs/api/ai/tree/Selectors.java
index 45116e80..5724bcf9 100644
--- a/src/main/java/net/citizensnpcs/api/ai/tree/Selectors.java
+++ b/src/main/java/net/citizensnpcs/api/ai/tree/Selectors.java
@@ -6,8 +6,6 @@
 import java.util.Comparator;
 import java.util.List;
 
-import javax.annotation.Nullable;
-
 import com.google.common.base.Function;
 import com.google.common.base.Preconditions;
 
@@ -23,7 +21,7 @@ private PrioritySelection(Comparator<Behavior> comparator) {
         }
 
         @Override
-        public Behavior apply(@Nullable List<Behavior> input) {
+        public Behavior apply(List<Behavior> input) {
             Collections.sort(input, comparator);
             return input.get(input.size() - 1);
         }
diff --git a/src/main/java/net/citizensnpcs/api/npc/AbstractNPC.java b/src/main/java/net/citizensnpcs/api/npc/AbstractNPC.java
index 04d2b79e..ec157339 100644
--- a/src/main/java/net/citizensnpcs/api/npc/AbstractNPC.java
+++ b/src/main/java/net/citizensnpcs/api/npc/AbstractNPC.java
@@ -5,8 +5,6 @@
 import java.util.Set;
 import java.util.UUID;
 
-import javax.annotation.Nullable;
-
 import net.citizensnpcs.api.CitizensAPI;
 import net.citizensnpcs.api.ai.GoalController;
 import net.citizensnpcs.api.ai.SimpleGoalController;
@@ -287,7 +285,7 @@ public void load(final DataKey root) {
         Set<DataKey> keys = Sets.newHashSet(root.getRelative("traits").getSubKeys());
         Iterables.addAll(keys, Iterables.transform(Splitter.on(',').split(traitNames), new Function<String, DataKey>() {
             @Override
-            public DataKey apply(@Nullable String input) {
+            public DataKey apply(String input) {
                 return root.getRelative("traits." + input);
             }
         }));
diff --git a/src/main/java/net/citizensnpcs/api/util/MemoryDataKey.java b/src/main/java/net/citizensnpcs/api/util/MemoryDataKey.java
index 43e7a5b7..5f864aa8 100644
--- a/src/main/java/net/citizensnpcs/api/util/MemoryDataKey.java
+++ b/src/main/java/net/citizensnpcs/api/util/MemoryDataKey.java
@@ -4,8 +4,6 @@
 import java.util.Map;
 import java.util.Set;
 
-import javax.annotation.Nullable;
-
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.MemoryConfiguration;
 
@@ -100,7 +98,7 @@ public Iterable<DataKey> getSubKeys() {
         Set<String> keys = head.getKeys(false);
         return Iterables.transform(keys, new Function<String, DataKey>() {
             @Override
-            public DataKey apply(@Nullable String input) {
+            public DataKey apply(String input) {
                 return new MemoryDataKey(root, getKeyFor(input));
             }
         });
diff --git a/src/main/java/net/citizensnpcs/api/util/NBTStorage.java b/src/main/java/net/citizensnpcs/api/util/NBTStorage.java
index 3f33d1e8..bb96795c 100644
--- a/src/main/java/net/citizensnpcs/api/util/NBTStorage.java
+++ b/src/main/java/net/citizensnpcs/api/util/NBTStorage.java
@@ -91,7 +91,14 @@ public boolean load() {
             ex.printStackTrace();
             return false;
         } finally {
-            Closeables.closeQuietly(stream);
+            try {
+                if (stream != null) {
+                    stream.close();
+                }
+            }
+            catch (Exception e) {
+                e.getCause(); // Do nothing
+            }
         }
         return true;
     }
@@ -114,7 +121,14 @@ public void save() {
         } catch (IOException ex) {
             ex.printStackTrace();
         } finally {
-            Closeables.closeQuietly(stream);
+            try {
+                if (stream != null) {
+                    stream.close();
+                }
+            }
+            catch (Exception e) {
+                e.getCause(); // Do nothing
+            }
         }
     }
 
diff --git a/src/main/java/net/citizensnpcs/api/util/Translator.java b/src/main/java/net/citizensnpcs/api/util/Translator.java
index 1eef0f51..05298df3 100644
--- a/src/main/java/net/citizensnpcs/api/util/Translator.java
+++ b/src/main/java/net/citizensnpcs/api/util/Translator.java
@@ -204,7 +204,14 @@ private static void addTranslation(TranslationProvider from, File to) {
         } catch (IOException e) {
             e.printStackTrace();
         } finally {
-            Closeables.closeQuietly(out);
+            try {
+                if (out != null) {
+                    out.close();
+                }
+            }
+            catch (Exception e) {
+                e.getCause(); // Do nothing
+            }
         }
     }
 
@@ -291,7 +298,14 @@ private static void populateDefaults(File bundleFile) {
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
-            Closeables.closeQuietly(stream);
+            try {
+                if (stream != null) {
+                    stream.close();
+                }
+            }
+            catch (Exception e) {
+                e.getCause(); // Do nothing
+            }
         }
     }
 
diff --git a/src/test/java/net/citizensnpcs/api/ai/BehaviorTreeTest.java b/src/test/java/net/citizensnpcs/api/ai/BehaviorTreeTest.java
index 190c8f35..151425f3 100644
--- a/src/test/java/net/citizensnpcs/api/ai/BehaviorTreeTest.java
+++ b/src/test/java/net/citizensnpcs/api/ai/BehaviorTreeTest.java
@@ -5,8 +5,6 @@
 
 import java.util.List;
 
-import javax.annotation.Nullable;
-
 import net.citizensnpcs.api.ai.tree.Behavior;
 import net.citizensnpcs.api.ai.tree.BehaviorGoalAdapter;
 import net.citizensnpcs.api.ai.tree.BehaviorStatus;
@@ -31,7 +29,7 @@ public void failureSelector() {
             int idx;
 
             @Override
-            public Behavior apply(@Nullable List<Behavior> input) {
+            public Behavior apply(List<Behavior> input) {
                 Behavior b = input.get(idx++);
                 if (idx >= input.size())
                     idx = 0;