---- 5.0.12 2014/01/12
+New ZOOM C feature: result-set caching. For this to work, YAZ uses
+libmemcached to interface with memcached. Quick way to get started:
+
+ zoomsh "set memcached --server=memcachehost" "connect zurl" "search query"
+
+--- 5.0.12 2014/01/22
Prefix URL with http:// if sru setting hints SRU/Solr mode YAZ-731