Add resumable downloads, download paths, queue controls and history

internal/files/tree.go

@@ -41,7 +41,7 @@ func readLevel(root, relative string, depth int, entryCount *int) ([]Node, error
 			break
 		}
 		entryType := entry.Type()
-		if entry.Name() == PartFileName || (!entryType.IsDir() && !entryType.IsRegular()) {
+		if IsInternal(entry.Name()) || (!entryType.IsDir() && !entryType.IsRegular()) {
 			continue
 		}
 		*entryCount++