Improved Schematic Class

Improved the Schematic class. Added support for reading schematic files.
That functionality still needs to be integrated and tested. Made minor
changes to WorldOperation and its derived classes. Also fixed a few bugs
in Schematic's export functions that were found during testing. The
exporting code still doesn't do all the changes (e.g. block
standardization) that had been implemented before.

StevenDimDoors/mod_pocketDim/schematic/CompactBoundsOperation.java

@@ -18,7 +18,7 @@ public class CompactBoundsOperation extends WorldOperation
 	}
 	
 	@Override
-	protected boolean start(World world, int x, int y, int z, int width, int height, int length)
+	protected boolean initialize(World world, int x, int y, int z, int width, int height, int length)
 	{
 		minX = Integer.MAX_VALUE;
 		minY = Integer.MAX_VALUE;