Merge pull request #8 from php-school/update-workshop

Update workshop to ^0.5

Author: AydinHassan

composer.json

@@ -12,7 +12,7 @@
     ],
     "require" : {
         "php" : ">=5.6",
-        "php-school/php-workshop": "^0.4",
+        "php-school/php-workshop": "^0.5",
         "php-school/workshop-installer": "^0.1"
     },
     "require-dev": {