private async void SearchAsync()
{
_priority = new Priority();
_visited = new HashSet <string>();
_isSearching = true;
RaisePropertyChanged(nameof(SearchCommand));
FoundItems.Clear();
var job = _search.CreateSearchJob(_searchWords, _depth);
_queue.Enqueue(job, _priority.GetBestPrio());
await Task.Factory.StartNew(Consume);
}
