Changed minimum-stability to RC

Author: Naktibalda

composer.json

@@ -32,7 +32,7 @@
     "suggest": {
         "aws/aws-sdk-php": "For using AWS Auth"
     },
-    "minimum-stability": "dev",
+    "minimum-stability": "RC",
     "autoload": {
         "classmap": [
             "src/"