Overhauled the tool system. All tools can now be bound to any held item so you can have multiple tools out a time. New masks framework allows making a filter of blocks to change. Brushes are now powerful as well.

src/com/sk89q/worldedit/scripting/CraftScriptContext.java

@@ -61,7 +61,7 @@ public class CraftScriptContext extends CraftScriptEnvironment {
      */
     public EditSession remember() {
         EditSession editSession =
-                new EditSession(server, player.getWorld(),
+                new EditSession(player.getWorld(),
                         session.getBlockChangeLimit(), session.getBlockBag(player));
         editSession.enableQueue();
         editSessions.add(editSession);