Merge pull request #4 from axhm3a/master

added visitor pattern
Merge pull request #5 from axhm3a/master

epic copy paste fail on phpdoc
Rename variables
Merge pull request #6 from axhm3a/master

implemented mediator pattern
Update strategy.php
Merge pull request #7 from Im0rtality/patch-1

Update strategy.php
Merge remote-tracking branch 'upstream/master'