1. abusing bugs to kill people for EXP and items would also be an unfair advantage.
2. It wasn't a client mod, it was a completely seperate program.
He actually abused a feature to unfairly cause the death of another user by TPing them to him. I have since removed the offending flag (Bounce) from his lot, and will continue to do so as users abuse this flag. I am very sorry that this happened to you.
And that rule should be re-written to be more generic, whereas any modification that helps you out is forbidden.
I won't interfere with this ban, but I'd like to suggest, SGT, that you make the ban a third of its original time. This is because it was not clear if this was breaking a rule or not, since the rules of the time of the ban did not include external programs to it.