Update V1.4

Added 17 new buttons
- 7 new Multiplier buttons
- 8 new Rebirth buttons
- 2 new Mrebirth buttons + new price for first one

Max currency is O (last one was q) (k, M, B, T, q, Q, s, S, O)

Reduced rebirths needed for auto multiplier 100 -> 10 (total rebirths done, not the stat)

+ small bug fixes