Cash Shop patch + new features

Cash shop fix, new item sorting features, minor patches.

src/net/server/Server.java

@@ -595,6 +595,7 @@ public class Server implements Runnable {
                     try {
                         instance.finalize();//FUU I CAN AND IT'S FREE
                     } catch (Throwable ex) {
+                        ex.printStackTrace();
                     }
                     instance = null;
                     System.gc();