*SideOnly to all client-only classes.
*Proxied electric chest GUI.
*Overhauled sound system to not require direct TileEntity accesses.
*Fixed sounds continuing after server disconnect.
*Fixed /mk version command.
*Refactored API, removing core interfaces and adding more descriptive
javadocs. MDK users, be prepared to update.
*Fixed differing progress not being recognized.
*Fixed Theoretical Elementizer displaying incorrect progress.
*Made IGasStorage work in both items and blocks -- IStorageTank extends
this now.
*Better storage tank code.
*Loads of reformatting and added missing javadocs.
*Unique sounds for Smelting Factory depending on it's operation.
*Energized Smelter -- a furnace that runs on energy.
*Better, more efficient sound management.
*Steel Casing for machines.
*Different textures for Steel and Osmium blocks.
