Add scaling and pretty printing, cleanup code
Add scaling and pretty printing, cleanup code

- Adds scaling for multiples of 8
- Adds an option for pretty printing
- Cleans up source code
  - Directly use variables in the string
  - Return early when we can
  - Completely switch to 4 space format (was using a mix of 4 spaces and 8 spaces/tabs before)
mattrick16/MineSVG