Merge pull request #165 from AntonShevchuk/master

Migrate to PSR-4
Update Cache.php
Update Cache.php
Merge pull request #166 from Mak-Di/patch-1

Update Cache.php
Merge pull request #167 from Mak-Di/patch-2

Update Cache.php
Merge branch 'master' of https://github.com/bluzphp/framework