Bug fixes

1. Fixed title anchoring

2. Fixed master code overflow display

3. Edited in-game text to add clear objective and controls

4. Used clearer font for in-game text

5. Redesigned next and skip buttons

6. Fix typo in description

7. Fixed number of attempts to 12

8. Edited logic so that scene switch happens before new guess and remaining tries are calculated

9.  Added error messages when boundaries are reached.

10. fixed font in credits