Fixed getting range header error handling and tracing time output.

Fixed null reference.

New version 1.9.2

Improved auto set playlists status output.

Fixed typo in GUI: PAA->PUA

Fixed bugs in fallback thumbnail handling and tests.

Fixed memory leak in ThrottledBufferedStream if nothing is throttled.

Fixed IsPublic request in YoutubeVideoService to use batch sizes of 5…

…0 due to YouTube API limitation.

Increased version.

Extended tracing to adding and deleting uploads, error message is res…

…et on upload resuming.