Solve pep8 problems related to FamilyFilter
Solve pep8 problems related to Category
Make Category non-singleton
Solve pep8 problems in UserCallbackHandler
Solve pep8 problems related to Notifier
Make Notifier non-singleton
Solve some pep8 problems in ThreadPool
Simplify StopWordsFilter
Solve pep8 problems in TermExtraction
Rename TermExtraction and make it non-singleton
Solve some pep8 problems in Merkle
Remove unused class SearchManager
Remove unused function fts3_preprocess()
Solve some pep8 problems in SearchManager
Solve some pep8 problems in VideoPlayer
Make VideoPlayer non-singleton
Solve some pep8 problems in VideoServer
Make VideoServer non-singleton
Solve some pep8 problems in RemoteTorrentHandler