* Dropped libmemcached/memcached_util.h (undocumented header file)
* Added memcached_touch() and memcached_touch_by_key()
* UDP support restructured to toggle on a complete memcached_st structure.
* Dropped libmemcached/memcached_util.h (undocumented header file)
* Added memcached_touch() and memcached_touch_by_key()
* UDP support restructured to toggle on a complete memcached_st structure.