As of 2.43, the Visual Basic source code has been put under SVN control. This should allow concurrent programming by different programmers with minimal maintenance.
Accessing the Current Code
The code is in an online version control system called SVN
To access the SVN, you should download a SVN client. The one I found that I like the most is called Smart SVN. Its basic (and more than adequate) version is free. You may also want to try TortoiseSVN, which integrates with Windows Explorer.
The SVN for Visual Basic Darwinbots is located at:
Read only access is open to everyone. If you want to contribute to the code, you'll need Numsgil to give you a username and password. He can be reached at Numsgil2002@yahoo.com