Stamps

[Changed] Australian stamp to draws only non-Australian stamps
[Added] Toggleable timer in pause menu. Counts down until star threshold, then counts up.
[Added] Game Over pop up when the board is full with and there are no more removes or undos
[Added] Date to scorecard in Daily Mode
[Changed] Daily Stats view to be empty when a daily wasn’t played and have dashes when played but not finished / abandoned
[Fixed] Visual bug of Mexican Scorpion stamp