Fixed an issue, the memcached keys were being set to an unreadable format and because of this the tests were always returning false. This fix was also applied to the APC tests but they are still incorrectly working.
Merge pull request #3 in ORNO/cache from develop to master

* commit '605ea90d94ed107da339fc7088b97e69f219f849':
  Fixed an issue, the memcached keys were being set to an unreadable format and because of this the tests were always returning false. This fix was also applied to the APC tests but they are still incorrectly working.