Added block bag support to the block replacer and sphere brush super pickaxe tools.

src/com/sk89q/worldedit/superpickaxe/BlockReplacer.java

@@ -39,7 +39,8 @@ public class BlockReplacer implements SuperPickaxeMode {
             LocalPlayer player, LocalSession session, WorldVector clicked) {
         
         LocalWorld world = clicked.getWorld();
-        EditSession editSession = new EditSession(server, world, -1);
+        EditSession editSession = new EditSession(server, world, -1,
+                session.getBlockBag(player));
         
         try {
             editSession.setBlock(clicked, targetBlock);

src/com/sk89q/worldedit/superpickaxe/SphereBrush.java

@@ -49,7 +49,7 @@ public class SphereBrush implements SuperPickaxeMode {
         }
 
         ReplacingEditSession editSession = new ReplacingEditSession(server, target.getWorld(),
-                session.getBlockChangeLimit());
+                session.getBlockChangeLimit(), session.getBlockBag(player));
         
         if (nonReplacing) {
             editSession.disableReplacing();