cactus and block rotator

src/main/java/carpet/CarpetSettings.java

@@ -105,7 +105,7 @@ public class CarpetSettings
                                 .defaultTrue().wip(),
   rule("flippinCactus",         "creative survival", "Players can flip and rotate blocks when holding cactus")
                                 .extraInfo("Doesn't cause block updates when rotated/flipped",
-                                           "Applies to pistons, observers, droppers, repeaters, stairs, glazed terracotta etc...").wip(),
+                                           "Applies to pistons, observers, droppers, repeaters, stairs, glazed terracotta etc..."),
   rule("hopperCounters",        "commands creative survival","hoppers pointing to wool will count items passing through them")
                                 .extraInfo("Enables /counter command, and actions while placing red and green carpets on wool blocks",
                                            "Use /counter <color?> reset to reset the counter, and /counter <color?> to query",
@@ -162,7 +162,7 @@ public class CarpetSettings
                                     ((MinecraftServer_motdInterface)CarpetServer.minecraft_server).checkMOTD()),
   rule("rotatorBlock",          "experimental", "Cactus in dispensers rotates blocks.")
                                 .extraInfo("Cactus in a dispenser gives the dispenser the ability to rotate the blocks " +
-                                           "that are in front of it anti-clockwise if possible.").wip(),
+                                           "that are in front of it anti-clockwise if possible."),
   rule("viewDistance",          "creative", "Changes the view distance of the server.")
                                 .extraInfo("Set to 0 to not override the value in server settings.")
                                 .choices("0", "0 12 16 32 64").setNotStrict()
@@ -724,8 +724,12 @@ public class CarpetSettings
         public CarpetSettingEntry wip()
         {
             return validate( (s, n) -> {
-               if (s != null)
-                   Messenger.m(s, "r Work in progress - limited or no functionality available for "+n);
+                if (s != null)
+                    try
+                    {
+                        Messenger.m(s, "r Work in progress - limited or no functionality available for "+n);
+                    }
+                    catch (NullPointerException ignored) { }
             });
         }
     }