Stack Trace:     Exception: IOException     Message: Failed to download Minecraft! Pack: yogbox Minecraft version: 1.2.3     Trace:         org.spoutcraft.launcher.util.MinecraftDownloadUtils.downloadMinecraft(MinecraftDownloadUtils.java:93)         org.spoutcraft.launcher.UpdateThread.updateMinecraft(UpdateThread.java:319)         org.spoutcraft.launcher.UpdateThread.runTasks(UpdateThread.java:123)         org.spoutcraft.launcher.UpdateThread.run(UpdateThread.java:108)