Tool remembers settings

Tool remembers the following settings (settings are stored with the executable, in a TTSAutomate.settings file):

Option: automatically re-open last psv file
Option: automatically set output directory
Option: remember language / provider selections
Option: choose ivona region eu-west-1 (EU, Dublin), us-east-1 (US East, N. Virginia), us-west-2 (US West, Oregon)