Add methods for getting createdBy and size of torrents
Add methods for getting createdBy and size of torrents

Signed-off-by: David Giffin <aa743a0aaec8f7d7a1f01442503957f4d7a2d634@etsy.com>
Acked-by: Maxime Petazzoni <d85b6a1285e9bda1f090e0e96b2c20e3f562641e@turn.com>

indeedeng/ttorrent,mpetazzoni/ttorrent,sroze/ttorrent,JetBrains/ttorrent-lib,pisek/ttorrent,andrew749/ttorrent,fspereira/ttorrent,shevek/ttorrent,akkinenirajesh/ttorrent,zanella/ttorrent,henkel/ttorrent,rambegaokar/ttorrent,zanella/ttorrent,d3roch4/ttorrent,andrew749/ttorrent,akkinenirajesh/ttorrent,rambegaokar/ttorrent,13922841464/ttorrent,13922841464/ttorrent,tsbatista/ttorrent,pisek/ttorrent,JetBrains/ttorrent-lib,fspereira/ttorrent,henkel/ttorrent,d3roch4/ttorrent,sroze/ttorrent,shevek/ttorrent,indeedeng/ttorrent,tsbatista/ttorrent,mpetazzoni/ttorrent