Altered test output to match correct name of gem needing to be installed for memcache
Current scan sometimes took down sites. Worst case scenario is when a user just clicked "ok" without entering a username. This could take down the entire website. This is related to the ruby (language) bug: http://rubyforge.org/tracker/index.php?func=detail&aid=21131&group_id=426&atid=1698
…e exceptions. Additional tests on extension handling.