Include user-id in cache path
Include user-id in cache path

Prevents errors with multiple users, as subsequent users are unable to
write to the cache, depending on how /tmp premissions are set up.

https://github.com/dbr/tvnamer/issues/55

Filechaser/sickbeard_mp4_automator,dpimenov/tvdb_api,phtagn/sickbeard_mp4_automator,Filechaser/sickbeard_mp4_automator,dpimenov/tvdb_api,dbr/tvdb_api,phtagn/sickbeard_mp4_automator,Collisionc/sickbeard_mp4_automator,Collisionc/sickbeard_mp4_automator