PlayerNPC patch + Wedding ring effects + Bypassable PIN/PIC + SP cap

Fixed an issue with delayed item pickups.
Fixed ClearSlot command not removing rechargeables from inventory.
Fixed Resurrection and Hyper Body animation effect not working for other players.
Implemented bypassable PIN/PIC, applied on accounts after a successful authentication, remaining active while activity is detected for that account.
Fixed anti-multiclient system not properly registering players logged in via all-chars-view.
Fixed cases where players still could gain EXP from much higher-leveled mobs if they were on an event instance.
Optimized scroll result method performance.
Added a server flag for SP cap limit on the player's current job (missing amount are reobtained after changing jobs).
PlayerNPCs now have overridable scripts.
Fixed some mapobject issues with PlayerNPCs, potencially leading to disappearing from maps in certain circumstances.
Fixed SpawnAllPnpcs command not properly spawning all PlayersNPCs.
Added extra info on Abdula, now stating whether a book can be obtained from questline or not.
Fixed marriage ring effects.
Fixed some cases where marriage rings were being able to be sent out from the character owner.
Fixed Duey allowing send untradeable items.
New tool: MapleWorldmapChecker. It reads Map.wz XMLs, fetching mapids not properly referenced on the worldmap nodes.

tools/MapleWorldmapChecker/src/mapleworldmapchecker/Pair.java

@@ -0,0 +1,121 @@
+/*
+This file is part of the OdinMS Maple Story Server
+Copyright (C) 2008 ~ 2010 Patrick Huy <patrick.huy@frz.cc> 
+Matthias Butz <matze@odinms.de>
+Jan Christian Meyer <vimes@odinms.de>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License version 3
+as published by the Free Software Foundation. You may not use, modify
+or distribute this program under any other version of the
+GNU Affero General Public License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package mapleworldmapchecker;
+
+/**
+ * Represents a pair of values.
+ * 
+ * @author Frz
+ * @since Revision 333
+ * @version 1.0
+ * 
+ * @param <E> The type of the left value.
+ * @param <F> The type of the right value.
+ */
+public class Pair<E, F> {
+
+    public E left;
+    public F right;
+
+    /**
+     * Class constructor - pairs two objects together.
+     *
+     * @param left The left object.
+     * @param right The right object.
+     */
+    public Pair(E left, F right) {
+        this.left = left;
+        this.right = right;
+    }
+
+    /**
+     * Gets the left value.
+     *
+     * @return The left value.
+     */
+    public E getLeft() {
+        return left;
+    }
+
+    /**
+     * Gets the right value.
+     *
+     * @return The right value.
+     */
+    public F getRight() {
+        return right;
+    }
+
+    /**
+     * Turns the pair into a string.
+     *
+     * @return Each value of the pair as a string joined by a colon.
+     */
+    @Override
+    public String toString() {
+        return left.toString() + ":" + right.toString();
+    }
+
+    /**
+     * Gets the hash code of this pair.
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((left == null) ? 0 : left.hashCode());
+        result = prime * result + ((right == null) ? 0 : right.hashCode());
+        return result;
+    }
+
+    /**
+     * Checks to see if two pairs are equal.
+     */
+    @SuppressWarnings("unchecked")
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        final Pair other = (Pair) obj;
+        if (left == null) {
+            if (other.left != null) {
+                return false;
+            }
+        } else if (!left.equals(other.left)) {
+            return false;
+        }
+        if (right == null) {
+            if (other.right != null) {
+                return false;
+            }
+        } else if (!right.equals(other.right)) {
+            return false;
+        }
+        return true;
+    }
+}