Cheat Window, Ram Watc, Lua Console - fix exception when clicking Move Up on the first item in the list.

BizHawk.MultiClient/tools/Cheats.cs

@@ -270,6 +270,8 @@ namespace BizHawk.MultiClient
 		private void MoveUp()
 		{
 			ListView.SelectedIndexCollection indexes = CheatListView.SelectedIndices;
+			if (indexes[0] == 0)
+				return;
 			Cheat temp = new Cheat();
 			if (indexes.Count == 0) return;
 			foreach (int index in indexes)

BizHawk.MultiClient/tools/LuaConsole.cs

@@ -471,6 +471,9 @@ namespace BizHawk.MultiClient
 		private void MoveUp()
 		{
 			ListView.SelectedIndexCollection indexes = LuaListView.SelectedIndices;
+			if (indexes[0] == 0)
+				return;
+
 			LuaFile temp = new LuaFile(false);
 			if (indexes.Count == 0) return;
 			foreach (int index in indexes)

BizHawk.MultiClient/tools/RamWatch.cs

@@ -517,6 +517,8 @@ namespace BizHawk.MultiClient
 			if (WatchListView.SelectedIndices.Count == 0)
 				return;
 			ListView.SelectedIndexCollection indexes = WatchListView.SelectedIndices;
+			if (indexes[0] == 0)
+				return;
 			Watch temp = new Watch();
 			if (indexes.Count == 0) return;
 			foreach (int index in indexes)