Changed configurations option
Changed configurations option

- Quotation marks and whitespace in configurations option no longer necessary,
  i.e. "python3 main.py -c "('cpp','*','*');('octave','*','*')"" can now be
  written as "python3 main.py -c "(cpp, *, *); (octave, *, *)""
- Adapted help message

nehmeier/ITF1788,nehmeier/ITF1788