Fix a handler when EpisodeData is not available in tvdb and tvrage APIs

Addresses Traceback TypeError: list indices must be integers, not str. Is sometimes raised when doing a Force Full Update.
Merge pull request #40 from JackDandy/feature/FixNoEpisodeDataHandler

Fix a handler when EpisodeData is not available in tvdb and tvrage APIs
Fix typo for commit "ShowData handler" i.e. SHA-1:3eec217.
Merge branch 'feature/FixTypo' into develop