I'm part of a small team working on a demo game. We each have different responsibilities and event sheets for the game and are currently using Tortoise SVN to share the files with each other, but it's impossible for multiple people to work on the same file at the same time. Currently we need to make sure that only one of us is working on it at a time and it's not very time-efficient or convenient.
Any suggestions to make the this simpler? How have you managed multiple people collaborating on a project?
Thanks!