Mk2Rev1

various bugfixes and such.
also bookmarks, temp song loaderm and undo overhaul with near complete multiplayer, but menu items disabled. i really wish i could split this into multiple commits, but i don't know how to work unreal.

Plugins/ZipUtility-ue4/Source/ZipUtility/Private/ZipUtilityInterface.cpp

@@ -0,0 +1,10 @@
+#pragma once
+
+#include "ZipUtilityPrivatePCH.h"
+#include "ZipUtilityInterface.h"
+
+UZipUtilityInterface::UZipUtilityInterface(const class FObjectInitializer& PCIP)
+	: Super(PCIP)
+{
+
+}