+ * Added CAS support, though this is optional and must be enabled during
+ runtime.
+ * Added the utility memerror to create human readable error strings
+ from memcached errors (aka convert ints to strings)
+ * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
+ * Fixed bug where hostname might not be null terminated
+ * Moved to using gethostbyname_r() on Linux to solve thread safety issue
+ * Added -rpath support for pkg-config
+ * Documentation fix for hash setting using memcached_behavior_set()