Add blocks to tileset, and do not create a blockset.
Delete and dereference blockset module.
Remove commented out code and fix indentation.
Add function for getting a block from a map.
Remove unused property.
Attempt to fix logic that draws all blocks.
Fix misspelled variable.
Fix map get-block function, was wrongly returning 'undefined'.
Rearrange property order.
Add comment.
Show just the blocks which currently have incorrect colors.
Remove unnecessary 'var'.
Initialize property.
Store information about whether or not a tileset image is compressed.