- Update to version 1.0.24
* Add new platform abstraction (#252).
* Add Null POSIX backend.
* Add support for eventfd.
* New API libusb_hotplug_get_user_data().
* Linux: Drop support for kernel older than 2.6.32.
* Linux: Provide an event thread name. (#689).
* Linux: Wait until all USBs have been reaped before freeing
them. (#607)
* Documentation fixes and improvements.
* Various other bug fixes and improvements.

- Update to version 1.0.23
* Core: abandon synchronous transfers when device closure is
detected.
* Core: fix error in handling the removal of file descriptors
while handling events.
* New API libusb_set_log_cb() to redirect global and per context
log messages to the provided log handling function.
* New API libusb_wrap_sys_device to allow the user to specify
the usb device to use.
* Various other bug fixes and improvements.