Thanks Jeffrey Nichols for the port numbers patch.
Thanks Jeffrey Nichols for the port numbers patch.

karlp/pyusb,rabryan/pyusb,h3nj3/pyusb,makerbot/pyusb,kopchik/pyusb,karlp/pyusb,h3nj3/pyusb,AlanJAS/pyusb,swinman/pyusb,swinman/pyusb,makerbot/pyusb,kopchik/pyusb,AlanJAS/pyusb,rabryan/pyusb