Fixed SIGNIFICANT BUG in io_utils that would always give you the wrong vocabulary dictionary if it found an existing one. PULL THIS COMMIT!
Fixed SIGNIFICANT BUG in io_utils that would always give you the wrong vocabulary dictionary if it found an existing one. PULL THIS COMMIT!

mckinziebrandon/DeepChatModels,mckinziebrandon/DeepChatModels,mckinziebrandon/DeepChatModels