Randomly adding things

Change-Id: I5838e68fd3322e8a7293ef7249118bb98db3b1af
Adding blast and error checking

Change-Id: I496c33215bdf962d4a47ea07d78f8a578adeeeb9
Explosion

Change-Id: Ibae209828d9dac3471680acd25aa394fbf1079d1
Coin/Gem/Diamond/Rock increment

Change-Id: I0d3222749ef3f6222f9c780bef9aef4d27e7531e