Updating composer.json

Author: stygiansabyss

composer.json

@@ -35,5 +35,9 @@
             "Syntax\\Core\\": "src/"
         }
     },
-    "minimum-stability": "dev"
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    }
 }