v1.0.23
Update poll_windows.c
Windows: Enable dynamic selection between WinUSB and UsbDk backends
Address issue 554: Default context is erase before backend exits in libusb_exit
Fix copy paste error in libusb_free_* docs
hotplug: Cast ssize_t to int in error path to avoid compiler warning
Fixed many compiler warnings about sign and size mismatch
core: protect against changes to the pollfd list during handle_events
core: new API libusb_set_log_cb() to redirect global and per context log messages to the provided log handling function
Misc: Revert all references to libusb/libusb.info
Hungarian translation
core: abandon sync transfers after libusb_close()
on to 1.0.23