Fixed 1760256 - Unit tests fail while using Redis cache
Fixed 1760256 - Documentation fixes, predis client interface setting is now optional
Fixes #2112863 - reported and authored by das-peter - fatal error in PhpRedis lock implementation when WATCH command fails
Documented that the module is only supported for Redis >= 2.4
#1980250 - Reported and authored by caiosba and Island Usurper - Redis module was deleting permanent cache items during cron calls due to a wrong switch statement in code
#1980250 - found by msonnabaum - Temporary cache entries with default lifetime to 0 was expiring right aways causing page cache extensive invalidation
#1980250 - Hope this the end. Mimic database backend behavior on clear() calls. Extented unit tests.
Fixes a very weird behavioral change of PhpRedis
Unit tests cleanup and refactor
Fixes missing default values on variable_get() calls causing D6 cache_backport usage to break
Added prefix support for lock backend
#1860706 - reported by timtrinidad, reviewed and tested by omega8cc - Native support for D6 lock backend