-for 1.1 or future
-==================
-optional timerfd support (runtime detection)
-notifications of hotplugged/unplugged devices
-offer API to create/destroy handle_events thread
-isochronous sync I/O?
-exposing of parent-child device relationships
-"usb primer" introduction docs
-more examples
+Please see the libusb roadmap by visiting:
+https://github.com/libusb/libusb/milestones?direction=asc&sort=due_date&state=open