Thanks for developing this tool. I am also glad to see you have implimented the IN/OUT points (and preview)

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It was working when I tried it (previous version). Then for some reason I got the following error:
An exception of class NilObjectException was not handled. The application must shut down.I am pretty sure this is something that can easily be solved and I know that the program can work on my machine because I have already run it but at the moment it just won't work.
What's going on?
Thanks again and thanks in advance for any help with this.