Correctly require di-container

Author: bajb

composer.json

@@ -23,7 +23,7 @@
     "packaged/config": "~1.5",
     "packaged/context": "^1.11",
     "packaged/context-i18n": "~1.0",
-    "packaged/di-container": "dev-master as 1.7",
+    "packaged/di-container": "^1.7",
     "packaged/event": "~1.2",
     "packaged/figlet": "~0.0",
     "packaged/helpers": "^2.15",