Added various utility methods to make chunk handling easier. Thanks Meaglin!

src/main/java/org/bukkit/craftbukkit/CraftChunk.java

@@ -109,6 +109,30 @@ public class CraftChunk implements Chunk {
         return entities;
     }
 
+        public boolean isLoaded() {
+        return getWorld().isChunkLoaded(this);
+    }
+
+    public boolean load() {
+        return getWorld().loadChunk(getX(), getZ(), true);
+    }
+
+    public boolean load(boolean generate) {
+        return getWorld().loadChunk(getX(), getZ(), generate);
+    }
+
+    public boolean unload() {
+        return getWorld().unloadChunk(getX(), getZ());
+    }
+
+    public boolean unload(boolean save) {
+        return getWorld().unloadChunk(getX(), getZ(), save);
+    }
+
+    public boolean unload(boolean save, boolean safe) {
+        return getWorld().unloadChunk(getX(), getZ(), save, safe);
+    }
+
     public ChunkSnapshot getChunkSnapshot() {
         return getChunkSnapshot(true, false, false);
     }

src/main/java/org/bukkit/craftbukkit/CraftWorld.java

@@ -120,6 +120,10 @@ public class CraftWorld implements World {
         loadChunk(x, z, true);
     }
 
+    public boolean unloadChunk(Chunk chunk) {
+        return unloadChunk(chunk.getX(), chunk.getZ());
+    }
+
     public boolean unloadChunk(int x, int z) {
         return unloadChunk(x, z, true);
     }