Switch from reproting line number for the start of the indentation block to the actual line number that has incorrect spacing.  The indentation block proved to be burdensome in identifying finite spacing difference in things like comments or other items that appear to be correctly indented when skimming with naked eye.
Markdown overhaul for the pre-tests that are not assignment specific. They no longer look bland.  Changed a few of the markdown functions to reflect my better intrepretation of what is proper markdown to approach more cause and effect with markdown versus guess and effect.