Yep, why bother creating a new syntax when that one is working perfectly?
And the people that have already used the 'Bus Pirate' will be working in no time.
The I2C Wushu is my first C project (would be dead if I had done this in assembler) and I don't know much of it, so Arduino functions help a lot, hehehe.
Yours has cooler features, like the USB mode, can it be done on the Arduino?