In theory, if I had more time, this is where I would write up a full treatment of how to handle configuration files with RCS, or at least the general philosphy behind how RCS works. For the moment, I'll simply suggest that you read the RCS ci(1) manpage, and look over the Overview section at the top of the script.
Download it!
Enjoy!
Disclaimer: If this eats your data, formats your drive, destroys your hardware, slaughters your family, and causes a plauge upon the earth - you may not hold me responsible.