LogsDownloaderWorker: Little cleanup.
LogsDownloaderWorker: QueueWorkTickets now runs optional Callable in a separated thread. Added also NeptusLog for debug.
LogsDownloaderWorker: WIP queue downloads.
LogsDownloaderWorker: Queue downloads with merged downloads methods for file and directory.
LogsDownloaderWorker: Little cleanup.
LogsDownloaderWorker: Little cleanup.
LogsDownloaderWorker: Little cleanup.