Zolder 67 AI (for V2) 2.0

Slightly improved AI (somewhat faster and fixed track limits) for the Zolder 67 track (V2) found here:

http://www.racedepartment.com/downloads/zolder-1967-v-2.18383/

Installation: copy the "ai" folder inside the zip to the track folder "zolder67", and overwrite the existing files. The zip file also contains the original AI files renamed to .ori, so you can revert to the original files if you want.