Changes:
- 4c3f9db thehorrorcharnet: add date TZ
- 2a53738 tellytorrent: refresg cats
- e18dd19 teamhd: add date TZ
- ca9f358 add vsthouse a russian public audio tools site resolves #9906
- 5d1b84f assorted c#: enable music and book search in several trackers (#9910)
- 38c4f1f fouducinema: updates for new engine resolves #8260
- 2ed4a22 gtorrent: drop nuked torrents resolves #9911
- 8bc765e core: code cleanup. part 2 (#9909)
- 1d6980c core: code cleanup (#9908)
- 74d08c9 core: add more unit tests (#9907)