4.0

ETA: * OCT 10, 2016 - Tower Final Release v 4.0.0 now on Google Play. I had been playing with the old Tower beta v 3.2.1-beta.8 because the regular release version would crash now and again on my S5 Galaxy, but not the old beta. Tower 4.0.0 -beta.2 was pushed this morning, just a few hours...