Removed wolves from /butcher. There's no way to check if a wolf is owned or not in Bukkit yet.

src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java

@@ -35,6 +35,7 @@ import org.bukkit.entity.Minecart;
 import org.bukkit.entity.Painting;
 import org.bukkit.entity.Slime;
 import org.bukkit.entity.TNTPrimed;
+import org.bukkit.entity.Wolf;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.Location;
@@ -402,7 +403,8 @@ public class BukkitWorld extends LocalWorld {
         double radiusSq = Math.pow(radius, 2);
         
         for (LivingEntity ent : world.getLivingEntities()) {
-            if (ent instanceof Creature || ent instanceof Ghast || ent instanceof Slime) {
+            if ((ent instanceof Creature || ent instanceof Ghast || ent instanceof Slime)
+                    && !(ent instanceof Wolf)) {
                 if (radius == -1
                         || origin.distanceSq(BukkitUtil.toVector(ent.getLocation())) <= radiusSq) {
                     ent.remove();