Implemented new GameMode methods (hint: You can't set game mode yet. Sorry.)

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

@@ -769,7 +769,7 @@ public final class CraftServer implements Server {
     }
 
     public OfflinePlayer getOfflinePlayer(String name) {
-        OfflinePlayer result = getPlayer(name);
+        OfflinePlayer result = getPlayerExact(name);
 
         if (result == null) {
             result = new CraftOfflinePlayer(this, name);
@@ -819,4 +819,12 @@ public final class CraftServer implements Server {
     public void reloadWhitelist() {
         server.f();
     }
+
+    public GameMode getDefaultGameMode() {
+        return GameMode.SURVIVAL;
+    }
+
+    public void setDefaultGameMode(GameMode mode) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
 }

src/main/java/org/bukkit/craftbukkit/entity/CraftHumanEntity.java

@@ -3,6 +3,7 @@ package org.bukkit.craftbukkit.entity;
 
 import java.util.Set;
 import net.minecraft.server.EntityHuman;
+import org.bukkit.GameMode;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
@@ -116,4 +117,12 @@ public class CraftHumanEntity extends CraftLivingEntity implements HumanEntity {
     public Set<PermissionAttachmentInfo> getEffectivePermissions() {
         return perm.getEffectivePermissions();
     }
+
+    public GameMode getGameMode() {
+        return GameMode.SURVIVAL;
+    }
+
+    public void setGameMode(GameMode mode) {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
 }