Reformat code to meet style guidlines

[roseg31]

Once #77 is resolved, the code needs to be updated to match the style guidelines. This should include comments documenting the purpose of files and functions so that it is easy for newcomers to understand the code.

[burnettm]

This is really important, because the current code is really hard to understand, and is likely to get harder to understand over time. Updating to match the style guidelines will be a big help, and isn't overly complicated to do once they're ready.