fixed that hare-brained zero prefixing on .def creation

* issue reported by Chris Johns

fix out of source build for DLL generation

fixed libusb_get_port_path using zombie parents

* add a call to libusb_get_device_list to ensure the parents exist
* modified API as a context is required for get_device_list

[internal] use pbk and offset 8000

bumped internal version

bumped internal version

bumped internal version

bumped internal version

added topology information retrieval to xusb

[INTERNAL - TESTING] removed test file for line ending conversion