v0.2

flipLeftFiels() in case of losing is fixed and works perfectly now.
Also showing a matrix implemented and tested, but not included
v0.3 Playable

- Totally playable now!
- Game crash and stop bug fixed
- Deleted prepareLevels() method. Was useless anyway.
- Flip speed increased from 4 to 6
- Showing results time decreased from 3 to 2 seconds
- Some fields init were added to constructor
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