Don't store None value bestResult (occurs when all results are rejected) in foundResults list. Quality comparisons with results from other providers throws an exception and prevents completion of the search. Credit goes to Conjuro (https://github.com/Conjuro/Sick-Beard/tree/Bugfix-Episode_search_exception)
Fixed an issue where series with airing year in the filename were unable to be post processed. The solution is to generate candidate names with years and without them. This fixes Hawaii Five-0 post processing.