diff --git a/src/main/resources/assets/opencomputers/loot/OpenOS/init.lua b/src/main/resources/assets/opencomputers/loot/OpenOS/init.lua
index 5640b476e..63d22ff03 100644
--- a/src/main/resources/assets/opencomputers/loot/OpenOS/init.lua
+++ b/src/main/resources/assets/opencomputers/loot/OpenOS/init.lua
@@ -1,4 +1,6 @@
 do
+  _G._OSVERSION = "OpenOS 1.2"
+
   local component = component
   local computer = computer
   local unicode = unicode
diff --git a/src/main/resources/assets/opencomputers/lua/kernel.lua b/src/main/resources/assets/opencomputers/lua/kernel.lua
index 87be3e92e..d81190e50 100644
--- a/src/main/resources/assets/opencomputers/lua/kernel.lua
+++ b/src/main/resources/assets/opencomputers/lua/kernel.lua
@@ -249,7 +249,6 @@ sandbox = {
     traceback = debug.traceback
   },
 
-  _OSVERSION = "OpenOS 1.2",
   checkArg = checkArg
 }
 sandbox._G = sandbox
@@ -622,7 +621,7 @@ local function bootstrap()
     end
   end
   if not init then
-    error("no bootable medium found" .. (reason and (": " .. tostring(reason)) or ""))
+    error("no bootable medium found" .. (reason and (": " .. tostring(reason)) or ""), 0)
   end
 
   return coroutine.create(init), {n=0}
diff --git a/src/main/resources/reference.conf b/src/main/resources/reference.conf
index bbfb78946..813fb4b05 100644
--- a/src/main/resources/reference.conf
+++ b/src/main/resources/reference.conf
@@ -820,5 +820,8 @@ opencomputers {
       # on computers' save and load performance, so you should not enable
       # this unless you're asked to.
       verbosePersistenceErrors: false
+
+      # Whether to not show your special thinger (if you have one you know it).
+      hideOwnSpecial: false
   }
 }
\ No newline at end of file
diff --git a/src/main/scala/li/cil/oc/Settings.scala b/src/main/scala/li/cil/oc/Settings.scala
index eda9c3763..5a78d572f 100644
--- a/src/main/scala/li/cil/oc/Settings.scala
+++ b/src/main/scala/li/cil/oc/Settings.scala
@@ -210,6 +210,7 @@ class Settings(config: Config) {
   val geolyzerRange = config.getInt("misc.geolyzerRange")
   val disassembleAllTheThings = config.getBoolean("misc.disassembleAllTheThings")
   val disassemblerBreakChance = config.getDouble("misc.disassemblerBreakChance") max 0 min 1
+  val hideOwnPet = config.getBoolean("misc.hideOwnSpecial")
 }
 
 object Settings {
diff --git a/src/main/scala/li/cil/oc/client/PacketHandler.scala b/src/main/scala/li/cil/oc/client/PacketHandler.scala
index b5fa9a62f..97f166fd6 100644
--- a/src/main/scala/li/cil/oc/client/PacketHandler.scala
+++ b/src/main/scala/li/cil/oc/client/PacketHandler.scala
@@ -4,6 +4,7 @@ import cpw.mods.fml.common.eventhandler.SubscribeEvent
 import cpw.mods.fml.common.network.FMLNetworkEvent.ClientCustomPacketEvent
 import li.cil.oc.{Localization, Settings}
 import li.cil.oc.api.component
+import li.cil.oc.client.renderer.PetRenderer
 import li.cil.oc.common.tileentity._
 import li.cil.oc.common.tileentity.traits._
 import li.cil.oc.common.{PacketType, PacketHandler => CommonPacketHandler}
@@ -40,6 +41,7 @@ object PacketHandler extends CommonPacketHandler {
       case PacketType.HologramPowerChange => onHologramPowerChange(p)
       case PacketType.HologramScale => onHologramScale(p)
       case PacketType.HologramSet => onHologramSet(p)
+      case PacketType.PetVisibility => onPetVisibility(p)
       case PacketType.PowerState => onPowerState(p)
       case PacketType.RedstoneState => onRedstoneState(p)
       case PacketType.RobotAnimateSwing => onRobotAnimateSwing(p)
@@ -178,6 +180,19 @@ object PacketHandler extends CommonPacketHandler {
       case _ => // Invalid packet.
     }
 
+  def onPetVisibility(p: PacketParser) {
+    val count = p.readInt()
+    for (i <- 0 until count) {
+      val name = p.readUTF()
+      if (p.readBoolean()) {
+        PetRenderer.hidden -= name
+      }
+      else {
+        PetRenderer.hidden += name
+      }
+    }
+  }
+
   def onPowerState(p: PacketParser) =
     p.readTileEntity[PowerInformation]() match {
       case Some(t) =>
diff --git a/src/main/scala/li/cil/oc/client/PacketSender.scala b/src/main/scala/li/cil/oc/client/PacketSender.scala
index 515a4f0f1..5aad0d07e 100644
--- a/src/main/scala/li/cil/oc/client/PacketSender.scala
+++ b/src/main/scala/li/cil/oc/client/PacketSender.scala
@@ -1,5 +1,6 @@
 package li.cil.oc.client
 
+import li.cil.oc.Settings
 import li.cil.oc.common.tileentity._
 import li.cil.oc.common.tileentity.traits.Computer
 import li.cil.oc.common.{CompressedPacketBuilder, PacketBuilder, PacketType}
@@ -100,6 +101,14 @@ object PacketSender {
     pb.sendToServer()
   }
 
+  def sendPetVisibility() {
+    val pb = new PacketBuilder(PacketType.PetVisibility)
+
+    pb.writeBoolean(!Settings.get.hideOwnPet)
+
+    pb.sendToServer()
+  }
+
   def sendRobotAssemblerStart(t: RobotAssembler) {
     val pb = new PacketBuilder(PacketType.RobotAssemblerStart)
 
diff --git a/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala b/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala
index d4599f500..14218aad0 100644
--- a/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala
+++ b/src/main/scala/li/cil/oc/client/gui/TextBuffer.scala
@@ -24,8 +24,9 @@ trait TextBuffer extends GuiScreen {
 
   protected def bufferY: Int
 
-  protected var currentWidth, currentHeight = -1
+  protected var guiSizeChanged = false
 
+  protected var currentWidth, currentHeight = -1
 
   private var showKeyboardMissing = 0L
 
@@ -37,6 +38,7 @@ trait TextBuffer extends GuiScreen {
     super.initGui()
     BufferRenderer.init(Minecraft.getMinecraft.renderEngine)
     Keyboard.enableRepeatEvents(true)
+    guiSizeChanged = true
   }
 
   override def onGuiClosed() = {
@@ -58,7 +60,7 @@ trait TextBuffer extends GuiScreen {
       currentWidth = 0
       currentHeight = 0
     }
-    scale = changeSize(currentWidth, currentHeight, oldWidth != currentWidth || oldHeight != currentHeight)
+    scale = changeSize(currentWidth, currentHeight, guiSizeChanged || oldWidth != currentWidth || oldHeight != currentHeight)
 
     RenderState.checkError(getClass.getName + ".drawBufferLayer: entering (aka: wasntme)")
 
diff --git a/src/main/scala/li/cil/oc/client/renderer/PetRenderer.scala b/src/main/scala/li/cil/oc/client/renderer/PetRenderer.scala
index 39fa899fe..92c77190f 100644
--- a/src/main/scala/li/cil/oc/client/renderer/PetRenderer.scala
+++ b/src/main/scala/li/cil/oc/client/renderer/PetRenderer.scala
@@ -13,9 +13,12 @@ import net.minecraftforge.client.event.RenderPlayerEvent
 import org.lwjgl.opengl.{GL11, GL12}
 
 import scala.collection.convert.WrapAsScala._
+import scala.collection.mutable
 
 object PetRenderer {
-  private val entitledPlayers = Map("Kethtar" -> (0.3, 0.9, 0.6))
+  val hidden = mutable.Set.empty[String]
+
+  private val entitledPlayers = Map("Kethtar" ->(0.3, 0.9, 0.6))
 
   private val petLocations = com.google.common.cache.CacheBuilder.newBuilder().
     expireAfterAccess(5, TimeUnit.SECONDS).
@@ -27,7 +30,7 @@ object PetRenderer {
   @SubscribeEvent
   def onPlayerRender(e: RenderPlayerEvent.Pre) {
     val name = e.entityPlayer.getCommandSenderName
-    if (!entitledPlayers.contains(name)) return
+    if (hidden.contains(name) || !entitledPlayers.contains(name)) return
     rendering = Some(entitledPlayers(name))
 
     val worldTime = e.entityPlayer.getEntityWorld.getWorldTime
diff --git a/src/main/scala/li/cil/oc/common/EventHandler.scala b/src/main/scala/li/cil/oc/common/EventHandler.scala
index 64cddb502..7075a1b32 100644
--- a/src/main/scala/li/cil/oc/common/EventHandler.scala
+++ b/src/main/scala/li/cil/oc/common/EventHandler.scala
@@ -4,18 +4,22 @@ import codechicken.multipart.TMultiPart
 import cpw.mods.fml.common.eventhandler.SubscribeEvent
 import cpw.mods.fml.common.gameevent.PlayerEvent._
 import cpw.mods.fml.common.gameevent.TickEvent.ServerTickEvent
+import cpw.mods.fml.common.network.FMLNetworkEvent.ClientConnectedToServerEvent
 import cpw.mods.fml.common.{FMLCommonHandler, Optional}
 import ic2.api.energy.event.{EnergyTileLoadEvent, EnergyTileUnloadEvent}
 import li.cil.oc._
 import li.cil.oc.api.Network
+import li.cil.oc.client.renderer.PetRenderer
+import li.cil.oc.client.{PacketSender => ClientPacketSender}
 import li.cil.oc.common.tileentity.traits.power
+import li.cil.oc.server.{PacketSender => ServerPacketSender}
 import li.cil.oc.util.LuaStateFactory
 import li.cil.oc.util.mods.{Mods, ProjectRed}
+import net.minecraft.client.Minecraft
 import net.minecraft.entity.player.EntityPlayerMP
 import net.minecraft.item.ItemStack
 import net.minecraft.server.MinecraftServer
 import net.minecraft.tileentity.TileEntity
-import net.minecraft.util.{ChatComponentText, ChatComponentTranslation}
 import net.minecraftforge.common.MinecraftForge
 import org.apache.logging.log4j.Level
 
@@ -69,22 +73,19 @@ object EventHandler {
     if (FMLCommonHandler.instance.getEffectiveSide.isServer) e.player match {
       case player: EntityPlayerMP =>
         if (!LuaStateFactory.isAvailable) {
-          player.addChatMessage(new ChatComponentText("§aOpenComputers§f: ").appendSibling(
-            new ChatComponentTranslation(Settings.namespace + "gui.Chat.WarningLuaFallback")))
+          player.addChatMessage(Localization.Chat.WarningLuaFallback)
         }
         if (Mods.ProjectRed.isAvailable && !ProjectRed.isAPIAvailable) {
-          player.addChatMessage(new ChatComponentText("§aOpenComputers§f: ").appendSibling(
-            new ChatComponentTranslation(Settings.namespace + "gui.Chat.WarningProjectRed")))
+          player.addChatMessage(Localization.Chat.WarningProjectRed)
         }
         if (!Settings.get.pureIgnorePower && Settings.get.ignorePower) {
-          player.addChatMessage(new ChatComponentText("§aOpenComputers§f: ").appendSibling(
-            new ChatComponentTranslation(Settings.namespace + "gui.Chat.WarningPower")))
+          player.addChatMessage(Localization.Chat.WarningPower)
         }
         OpenComputers.tampered match {
-          case Some(event) => player.addChatMessage(new ChatComponentText("§aOpenComputers§f: ").appendSibling(
-            new ChatComponentTranslation(Settings.namespace + "gui.Chat.WarningFingerprint", event.expectedFingerprint, event.fingerprints.toArray.mkString(", "))))
+          case Some(event) => player.addChatMessage(Localization.Chat.WarningFingerprint(event))
           case _ =>
         }
+        ServerPacketSender.sendPetVisibility(None, Some(player))
         // Do update check in local games and for OPs.
         if (!MinecraftServer.getServer.isDedicatedServer || MinecraftServer.getServer.getConfigurationManager.isPlayerOpped(player.getCommandSenderName)) {
           UpdateCheck.checkForPlayer(player)
@@ -93,6 +94,15 @@ object EventHandler {
     }
   }
 
+  @SubscribeEvent
+  def clientLoggedIn(e: ClientConnectedToServerEvent) {
+    PetRenderer.hidden.clear()
+    if (Settings.get.hideOwnPet) {
+      PetRenderer.hidden += Minecraft.getMinecraft.thePlayer.getCommandSenderName
+    }
+    ClientPacketSender.sendPetVisibility()
+  }
+
   lazy val navigationUpgrade = api.Items.get("navigationUpgrade")
 
   @SubscribeEvent
diff --git a/src/main/scala/li/cil/oc/common/PacketType.scala b/src/main/scala/li/cil/oc/common/PacketType.scala
index 7e7bdf8d2..391731975 100644
--- a/src/main/scala/li/cil/oc/common/PacketType.scala
+++ b/src/main/scala/li/cil/oc/common/PacketType.scala
@@ -15,6 +15,7 @@ object PacketType extends Enumeration {
   HologramPowerChange,
   HologramScale,
   HologramSet,
+  PetVisibility, // Goes both ways.
   PowerState,
   RedstoneState,
   RobotAnimateSwing,
diff --git a/src/main/scala/li/cil/oc/common/Proxy.scala b/src/main/scala/li/cil/oc/common/Proxy.scala
index d7da0eea1..6881e8b89 100644
--- a/src/main/scala/li/cil/oc/common/Proxy.scala
+++ b/src/main/scala/li/cil/oc/common/Proxy.scala
@@ -140,8 +140,9 @@ class Proxy {
     // Don't allow driver registration after this point, to avoid issues.
     driver.Registry.locked = true
 
-    FMLCommonHandler.instance().bus().register(EventHandler)
-    FMLCommonHandler.instance().bus().register(SimpleComponentTickHandler.Instance)
+    FMLCommonHandler.instance.bus.register(EventHandler)
+    FMLCommonHandler.instance.bus.register(SimpleComponentTickHandler.Instance)
+    MinecraftForge.EVENT_BUS.register(EventHandler)
     MinecraftForge.EVENT_BUS.register(WirelessNetwork)
     MinecraftForge.EVENT_BUS.register(SaveHandler)
   }
diff --git a/src/main/scala/li/cil/oc/common/event/ChunkloaderUpgradeHandler.scala b/src/main/scala/li/cil/oc/common/event/ChunkloaderUpgradeHandler.scala
index ff2ee7b0c..765d3d724 100644
--- a/src/main/scala/li/cil/oc/common/event/ChunkloaderUpgradeHandler.scala
+++ b/src/main/scala/li/cil/oc/common/event/ChunkloaderUpgradeHandler.scala
@@ -18,7 +18,13 @@ object ChunkloaderUpgradeHandler extends LoadingCallback {
 
   override def ticketsLoaded(tickets: util.List[Ticket], world: World) {
     for (ticket <- tickets) {
-      restoredTickets += ticket.getModData.getString("address") -> ticket
+      val data = ticket.getModData
+      restoredTickets += data.getString("address") -> ticket
+      if (data.hasKey("x") && data.hasKey("z")) {
+        val x = data.getInteger("x")
+        val z = data.getInteger("z")
+        ForgeChunkManager.forceChunk(ticket, new ChunkCoordIntPair(x, z))
+      }
     }
   }
 
@@ -35,9 +41,12 @@ object ChunkloaderUpgradeHandler extends LoadingCallback {
     restoredTickets.clear()
   }
 
-  // TODO it might be necessary to use pre move to force load the target chunk
+  // Note: it might be necessary to use pre move to force load the target chunk
   // in case the robot moves across a chunk border into an otherwise unloaded
-  // chunk (I think it would just fail to move otherwise)
+  // chunk (I think it would just fail to move otherwise).
+  // Update 2014-06-21: did some testing, seems not to be necessary. My guess
+  // is that the access to the block in the direction the robot moves causes
+  // the chunk it might move into to get loaded.
 
   @SubscribeEvent
   def onMove(e: RobotMoveEvent.Post) {
@@ -57,6 +66,8 @@ object ChunkloaderUpgradeHandler extends LoadingCallback {
       }
       ForgeChunkManager.forceChunk(ticket, robotChunk)
       ticket.getModData.setString("address", loader.node.address)
+      ticket.getModData.setInteger("x", robotChunk.chunkXPos)
+      ticket.getModData.setInteger("z", robotChunk.chunkZPos)
     })
   }
 }
diff --git a/src/main/scala/li/cil/oc/common/tileentity/traits/Environment.scala b/src/main/scala/li/cil/oc/common/tileentity/traits/Environment.scala
index ca977f772..a480111a2 100644
--- a/src/main/scala/li/cil/oc/common/tileentity/traits/Environment.scala
+++ b/src/main/scala/li/cil/oc/common/tileentity/traits/Environment.scala
@@ -1,8 +1,8 @@
 package li.cil.oc.common.tileentity.traits
 
 import li.cil.oc.Settings
-import li.cil.oc.api.{driver, network}
 import li.cil.oc.api.network.{Connector, SidedEnvironment}
+import li.cil.oc.api.{driver, network}
 import li.cil.oc.common.EventHandler
 import li.cil.oc.util.ExtendedNBT._
 import net.minecraft.nbt.NBTTagCompound
diff --git a/src/main/scala/li/cil/oc/server/PacketHandler.scala b/src/main/scala/li/cil/oc/server/PacketHandler.scala
index 5a54637c1..bc4e2a152 100644
--- a/src/main/scala/li/cil/oc/server/PacketHandler.scala
+++ b/src/main/scala/li/cil/oc/server/PacketHandler.scala
@@ -8,6 +8,7 @@ import li.cil.oc.common.tileentity._
 import li.cil.oc.common.tileentity.traits.{Computer, TileEntity}
 import li.cil.oc.common.{PacketType, PacketHandler => CommonPacketHandler}
 import li.cil.oc.{Localization, Settings, api}
+import net.minecraft.client.Minecraft
 import net.minecraft.entity.player.{EntityPlayer, EntityPlayerMP}
 import net.minecraft.network.NetHandlerPlayServer
 import net.minecraftforge.common.DimensionManager
@@ -31,6 +32,7 @@ object PacketHandler extends CommonPacketHandler {
       case PacketType.MouseScroll => onMouseScroll(p)
       case PacketType.MouseUp => onMouseUp(p)
       case PacketType.MultiPartPlace => onMultiPartPlace(p)
+      case PacketType.PetVisibility => onPetVisibility(p)
       case PacketType.RobotAssemblerStart => onRobotAssemblerStart(p)
       case PacketType.RobotStateRequest => onRobotStateRequest(p)
       case PacketType.ServerRange => onServerRange(p)
@@ -125,6 +127,22 @@ object PacketHandler extends CommonPacketHandler {
     }
   }
 
+  def onPetVisibility(p: PacketParser) {
+    p.player match {
+      case player: EntityPlayerMP if player != Minecraft.getMinecraft.thePlayer =>
+        if (if (p.readBoolean()) {
+          PetVisibility.hidden.remove(player.getCommandSenderName)
+        }
+        else {
+          PetVisibility.hidden.add(player.getCommandSenderName)
+        }) {
+          // Something changed.
+          PacketSender.sendPetVisibility(Some(player.getCommandSenderName))
+        }
+      case _ => // Invalid packet.
+    }
+  }
+
   def onRobotAssemblerStart(p: PacketParser) =
     p.readTileEntity[RobotAssembler]() match {
       case Some(assembler) => assembler.start()
diff --git a/src/main/scala/li/cil/oc/server/PacketSender.scala b/src/main/scala/li/cil/oc/server/PacketSender.scala
index 941a0839c..2f903dacc 100644
--- a/src/main/scala/li/cil/oc/server/PacketSender.scala
+++ b/src/main/scala/li/cil/oc/server/PacketSender.scala
@@ -129,6 +129,28 @@ object PacketSender {
     pb.sendToNearbyPlayers(t)
   }
 
+  def sendPetVisibility(name: Option[String] = None, player: Option[EntityPlayerMP] = None) {
+    val pb = new PacketBuilder(PacketType.PetVisibility)
+
+    name match {
+      case Some(n) =>
+        pb.writeInt(1)
+        pb.writeUTF(n)
+        pb.writeBoolean(!PetVisibility.hidden.contains(n))
+      case _ =>
+        pb.writeInt(PetVisibility.hidden.size)
+        for (n <- PetVisibility.hidden) {
+          pb.writeUTF(n)
+          pb.writeBoolean(false)
+        }
+    }
+
+    player match {
+      case Some(p) => pb.sendToPlayer(p)
+      case _ => pb.sendToAllPlayers()
+    }
+  }
+
   def sendPowerState(t: PowerInformation) {
     val pb = new PacketBuilder(PacketType.PowerState)
 
diff --git a/src/main/scala/li/cil/oc/server/PetVisibility.scala b/src/main/scala/li/cil/oc/server/PetVisibility.scala
new file mode 100644
index 000000000..4fb68fdf2
--- /dev/null
+++ b/src/main/scala/li/cil/oc/server/PetVisibility.scala
@@ -0,0 +1,7 @@
+package li.cil.oc.server
+
+import scala.collection.mutable
+
+object PetVisibility {
+  val hidden = mutable.Set.empty[String]
+}
diff --git a/src/main/scala/li/cil/oc/server/component/GraphicsCard.scala b/src/main/scala/li/cil/oc/server/component/GraphicsCard.scala
index 830b07bf9..df379898a 100644
--- a/src/main/scala/li/cil/oc/server/component/GraphicsCard.scala
+++ b/src/main/scala/li/cil/oc/server/component/GraphicsCard.scala
@@ -282,12 +282,17 @@ abstract class GraphicsCard extends component.ManagedComponent {
             else s.setBackgroundColor(0x000000)
             s.fill(0, 0, w, h, ' ')
             try {
-              val message = "Unrecoverable error:\n" + Localization.localizeImmediately(machine.lastError) + "\n"
               val wrapRegEx = s"(.{1,${math.max(1, w - 2)}})\\s".r
-              val lines = wrapRegEx.replaceAllIn(message, m => m.group(1) + "\n").lines.toArray
+              val lines = wrapRegEx.replaceAllIn(Localization.localizeImmediately(machine.lastError).replace("\t", "  ") + "\n", m => m.group(1) + "\n").lines.toArray
+              val firstRow = ((h - lines.length) / 2) max 2
+
+              val message = "Unrecoverable Error"
+              s.set((w - message.length) / 2, firstRow - 2, message, false)
+
+              val maxLineLength = lines.map(_.length).max
+              val col = ((w - maxLineLength) / 2) max 0
               for ((line, idx) <- lines.zipWithIndex) {
-                val col = (w - line.length) / 2
-                val row = (h - lines.length) / 2 + idx
+                val row = firstRow + idx
                 s.set(col, row, line, false)
               }
             }
diff --git a/src/main/scala/li/cil/oc/server/component/robot/Player.scala b/src/main/scala/li/cil/oc/server/component/robot/Player.scala
index 90b40ef3a..953101cab 100644
--- a/src/main/scala/li/cil/oc/server/component/robot/Player.scala
+++ b/src/main/scala/li/cil/oc/server/component/robot/Player.scala
@@ -64,6 +64,8 @@ class Player(val robot: tileentity.Robot) extends FakePlayer(robot.world.asInsta
 
   override def getDefaultEyeHeight = 0f
 
+  override def getDisplayName = robot.name
+
   // ----------------------------------------------------------------------- //
 
   def updatePositionAndRotation(facing: ForgeDirection, side: ForgeDirection) {