Old habits die hard, but occasionally it is good to look at them and see if they still make sense... When I started writing code, many moons ago, it was ingrained into my work habit to create or update a comment block at the top of the code file. This may be a foreign concept to some of you, so let me describe it. Typically this would include information about who was the original author, date it was created, a description of the purpose of the code, and a change log. The Change Log part of the comment block is...