[composer] Fix circular dependencies

Composer install fail when a circular dependency with root package is installed via require-dev

Author: Maks3w

composer.json

@@ -37,6 +37,8 @@
         "zendframework/zend-uri": "Zend\\Uri component",
         "zendframework/zend-validator": "Zend\\Validator component"
     },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
     "extra": {
         "branch-alias": {
             "dev-master": "2.4-dev",