joomla-framework: Implemented Redis Cache Handler
joomla-framework: Redis Cache Handler - small corrections
joomla-framework: Redis Cache Handler - fix for improper checking for returned value in Cache\Redis::get()
extended test cases
joomla-framework: Redis Cache Handler - additional test cases
for setting, getting and removing multiple items
Merge pull request #234 from WooDzu/master

joomla-framework: Implemented Redis Cache Handler
Merge branch 'master' into staging