+0.21 Fri May 23 18:34:09 PDT 2008
+ * Change of char * to const char * for all key based functions.
+ * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
+ values.
+ * Fixed bug introducd in last version on memcp
+ * Fix for death of file io to call shutdown()
+
+0.20 Mon May 5 08:34:26 PDT 2008
+ * New consistent distribution tests.
+ * Found a memory leak when a server constantly fails.
+ * Fix in watchpoint macro