Lock down trappar/alice-generator dependency

Author: Jeff Way

composer.json

@@ -12,7 +12,7 @@
     ],
     "require": {
         "php": "^5.6||^7.0",
-        "trappar/alice-generator": "dev-master",
+        "trappar/alice-generator": "^0.1",
         "doctrine/orm": "~2.4",
         "doctrine/doctrine-bundle": "^1.6",
         "symfony/finder": "^2.5|~3.0",