Bukkit

v1.7

• Fixed explosion code
  
• Updated to new event system
  
• Cleaner code. :D

v 1.6.1

• TnT now drops correct items on explode... (It produces an error in the log... but it works?)

v 1.6

• You can now push the block DOWN with pistons to smelt the block (not very useful with sand... it falls)... What can you create with this I wonder?
  
• You can now have the lava covered with glass
  
• Items break when pushed directly over water

v 1.5.5

• Patched TNT bug?

v 1.5.2

• Fixed Glass Bug

v 1.5.1

• Cleaned some code
  
• Fixed version display

v 1.5

• Added new items to smelt!
  
• Renamed to Piston Smelter!
  
• Fixed download link!

v 1.0

• Push cobblestone over lava for refined stone!
  
• Released

• Incompatible with other plugins "breaking" blocks. (IE: Piston Squeezer)
  
• Incompatible with "instant break" plugins. (IE: Super Pickaxe)