I seriously doubt this is working xD

PlotSquared/src/com/intellectualcrafters/plot/PlotMain.java

@@ -727,6 +727,8 @@ public class PlotMain extends JavaPlugin {
             PlotHelper.canSetFast = false;
         }
 
+
+        UUIDHandler.startFetch(this);
     }
 
     /**

PlotSquared/src/com/intellectualcrafters/plot/UUIDHandler.java

@@ -0,0 +1,143 @@
+package com.intellectualcrafters.plot;
+
+import com.google.common.base.Charsets;
+import org.bukkit.Bukkit;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Created by Citymonstret on 2014-10-06.
+ */
+public class UUIDHandler {
+
+    private static ConcurrentHashMap<String, UUID> uuidMap = new ConcurrentHashMap<>();
+
+    public static boolean uuidExists(UUID uuid) {
+        return uuidMap.containsValue(uuid);
+    }
+
+    public static boolean nameExists(String name) {
+        return uuidMap.containsKey(name);
+    }
+
+    public static void add(String name, UUID uuid) {
+        uuidMap.put(name, uuid);
+    }
+
+    public static void startFetch(JavaPlugin plugin) {
+       plugin.getServer().getScheduler().runTaskAsynchronously(plugin, new Runnable() {
+           @Override
+           public void run() {
+                OfflinePlayer[] offlinePlayers = Bukkit.getOfflinePlayers();
+                int lenght = offlinePlayers.length;
+                long start = System.currentTimeMillis();
+
+                String name;
+                UUID uuid;
+                for(OfflinePlayer player : offlinePlayers) {
+                    name = player.getName();
+                    uuid = player.getUniqueId();
+                    if(!uuidExists(uuid))
+                        add(name, uuid);
+                }
+
+                long time = System.currentTimeMillis() - start;
+                PlotMain.sendConsoleSenderMessage("&cFinished caching of offlineplayers! Took &6" + time + "&cms, &6" + lenght + " &cUUID's were cached" +
+                        " and there is now a grand total of &6" + uuidMap.size() + " &ccached.");
+           }
+       });
+    }
+
+    public static UUID getUUID(String name) {
+        if (nameExists(name)) {
+            return uuidMap.get(name);
+        }
+        UUID uuid;
+        if ((uuid = getUuidOnlinePlayer(name)) != null) {
+            return uuid;
+        }
+        if ((uuid = getUuidOfflinePlayer(name)) != null) {
+            return uuid;
+        }
+        if(Bukkit.getOnlineMode()) {
+            /* TODO: Add mojang API support */
+        } else {
+            return getUuidOfflineMode(name);
+        }
+        return null;
+    }
+
+    private static String loopSearch(UUID uuid) {
+        for(Map.Entry<String, UUID> entry : uuidMap.entrySet()) {
+            if(entry.getValue().equals(uuid)) {
+                return entry.getKey();
+            }
+        }
+        return "";
+    }
+
+    public static String getName(UUID uuid) {
+        if(uuidExists(uuid)) {
+            return loopSearch(uuid);
+        }
+        String name;
+        if ((name = getNameOnlinePlayer(uuid)) != null) {
+            return name;
+        }
+        if ((name = getNameOfflinePlayer(uuid)) != null) {
+            return name;
+        }
+        return null;
+    }
+
+    private static UUID getUuidOfflineMode(String name) {
+        UUID uuid = UUID.nameUUIDFromBytes(("OfflinePlayer:" + name).getBytes(Charsets.UTF_8));
+        add(name, uuid);
+        return uuid;
+    }
+
+    private static String getNameOnlinePlayer(UUID uuid) {
+        Player player = Bukkit.getPlayer(uuid);
+        if(player == null || !player.isOnline()) {
+            return null;
+        }
+        String name = player.getName();
+        add(name, uuid);
+        return name;
+    }
+
+    private static String getNameOfflinePlayer(UUID uuid) {
+        OfflinePlayer player = Bukkit.getOfflinePlayer(uuid);
+        if (player == null || !player.hasPlayedBefore()) {
+            return null;
+        }
+        String name = player.getName();
+        add(name, uuid);
+        return name;
+    }
+
+    private static UUID getUuidOnlinePlayer(String name) {
+        Player player = Bukkit.getPlayer(name);
+        if (player == null || !player.isOnline()) {
+            return null;
+        }
+        UUID uuid = player.getUniqueId();
+        add(name, uuid);
+        return uuid;
+    }
+
+    private static UUID getUuidOfflinePlayer(String name) {
+        OfflinePlayer player = Bukkit.getOfflinePlayer(name);
+        if (player == null || !player.hasPlayedBefore()) {
+            return null;
+        }
+        UUID uuid = player.getUniqueId();
+        add(name, uuid);
+        return uuid;
+    }
+}

PlotSquared/src/com/intellectualcrafters/plot/uuid/package-info.java

@@ -1,4 +0,0 @@
-/**
- * Created by Citymonstret on 2014-08-05.
- */
-package com.intellectualcrafters.plot.uuid;