option to remove comments

[bftjoe]

Add an option to remove comments.

This will help make clear that development is supposed to happen on the non-combined file.

You could keep comments that start with ! to maintain license information for the first file, or just keep all comments in the first file and remove all comments in other files.

[Viatorus]

Cool idea. Thank you! :)

I will look into it, the only question is when...