Public release

Added removal of stable, duplicate records per subdomain.

config.json

@@ -0,0 +1,14 @@
+{
+  "cloudflare": [
+    {
+      "api_key": "api_key_here",
+      "account_email": "your_email_here",
+      "zone_id": "your_zone_id_here",
+      "subdomains": [
+        "one.example.com",
+        "two.example.com"
+      ],
+      "proxied": false
+    }
+  ]
+}