Crash when launching pre-release version.

[utoxin]

System.InvalidOperationException: Failed to compare two elements in the array. ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at ModMyFactory.MVVM.Sorters.ModSorter.Compare(Mod x, Mod y)
   at System.Array.BinarySearch(Array array, Int32 index, Int32 length, Object value, IComparer comparer)
   --- End of inner exception stack trace ---
   at System.Array.BinarySearch(Array array, Int32 index, Int32 length, Object value, IComparer comparer)
   at System.Windows.Data.ListCollectionView.AdjustBefore(NotifyCollectionChangedAction action, Object item, Int32 index)
   at System.Windows.Data.ListCollectionView.ProcessCollectionChanged(NotifyCollectionChangedEventArgs args)
   at System.Collections.Specialized.NotifyCollectionChangedEventHandler.Invoke(Object sender, NotifyCollectionChangedEventArgs e)
   at System.Collections.ObjectModel.ObservableCollection`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e)
   at System.Collections.ObjectModel.ObservableCollection`1.InsertItem(Int32 index, T item)
   at ModMyFactory.ViewModels.MainViewModel.<UpdateModAsyncInner>d__210.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at ModMyFactory.ViewModels.MainViewModel.<UpdateModsAsyncInner>d__211.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at ModMyFactory.ViewModels.MainViewModel.<UpdateMods>d__212.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at ModMyFactory.ViewModels.MainViewModel.<<-ctor>b__189_6>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)