Pathfinder roll20 Character sheet.

I'm running a homebrew campaign where my players are going to enter epic levels and will have more then 3 classes.  This is because everyone has a racial class to start with.  Has anyone modified the roll20 character sheet to accept more then 3 classes?  Is it possible to copy and paste the code to make more class fields available?  I don't think I have the skill do modify it myself, but I'm willing to try if anyone could walk me through it.

The hard part of editing that sheet would be avoiding breaking all the sheetworkers, since that is a fairly heavily automated sheet. I would suggest combining classes, especially any that have the same hit dice (although that isn't really necessary if you manually roll your hp).  Just total the bab, base save bonuses, skill ranks, etc.  If you have more than 3 caster classes that all need to have independent caster levels, you might be better off seeing if the community sheet would work better for that specific game. Edit:  Not saying the sheet can't be altered, but it certainly wouldn't be an easy one to mess with.  If no one seems willing to meddle with that sheet, maybe one of those suggestions will help you run your game.

I'm running a 3.5/Pathfinder version of Council of Wyrms.  The entire party have levels in a Dragon Race and then their character classes.  Combining classes is a really good idea.  Thank you.