How to use this:

1. Find a schematic file or export a part of your world in MCEdit.
2. Run the following commands:

    python nbtread.py house.schematic > house.txt
    sbot blocks.bot -o blocks.png

TODO

1. Turn shoebot script into python file (for argparse support)
2. Figure out how blocks are laid out in an NBT file
3. Complete the block color dictionary