1.7.2 changelog:
-Added new biome
-Made entirely of Diamond Blocks, Emerald Blocks, Sponge, and Glowstone
-Spawns Quartz Temples with chests containing Bedrock, Beacons, and Command Blocks
-Stronghold spawns above-ground
Tried to make a piston elevator in SMP, obviously did not turn out too well
You lag when you're going down and end up smashing into the ground and you lag when you're going up and get trapped after going up 5 blocks
Hoping I can put some delay on it, it didn't matter going down but maybe it'll help going up, would be a waste of 2 hours and however long it would take to tear down