* Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
* More error messages on command line tools.
+ * Fixed bugs in memcached_cas() operator.
0.15 Tue Jan 29 14:55:44 PST 2008
* More work on the C++ API.