Added BlockType.redstone SOMETHING.

src/com/sk89q/worldedit/blocks/BlockType.java

@@ -433,6 +433,24 @@ public enum BlockType {
                 || id == 54; // Chest
     }
 
+    /**
+     * Returns true if a block uses redstone in some way.
+     *
+     * @param id
+     * @return
+     */
+    public static boolean isRedstoneBlock(int id) {
+        return id == 69 // Lever
+                || id == 70 // Stone pressure plate
+                || id == 72 // Wood pressure plate
+                || id == 76 // Redstone torch
+                || id == 75 // Redstone torch
+                || id == 77 // Stone button
+                || id == 55 // Redstone wire
+                || id == 64 // Wooden door
+                || id == 71; // Iron door
+    }
+
     /**
      * Get the block or item that would have been dropped. If nothing is
      * dropped, 0 will be returned. If the block should not be destroyed