Release 4.0.0

Full PSR-16 (Simple Cache) and PSR-6 (CachePool) implementation!

Better Integration tests to assert all features and in all protocols!

Release 3.0.0

Full refactory of the classes.

Added RedisCacheEngine

Release 2.0.0

PSR-6 Implementation.

Release 1.0.4

Minor bug on ShmopCacheEngine on release method