Changes

0.9.0

Re-export libusb1-sys as ffi #75
impl Debug for DeviceHandle #78
Add bind to libusb_get_next_timeout #95
Add DeviceHandle::into_raw() #97
Improve read_string_descriptor #99
Derive Debug for Context #103
Implement Clone for Device #104
Add Context::interrupt_handle_events() #101
context: add open_device_with_fd() #106
Rewrite hotplug registration. Add HotplugBuilder #110. And rewrite #72
ConfigDescriptor and InterfaceDescriptor extra return just slice #111

0.8.1

Add getters for bRefresh and bSynchAddress #61
Implement Display for Version. #59
Add Device/DeviceHandle::context getter methods #57