Commons functions

Signed-off-by: Fabio José <fabiojose@gmail.com>

lib/bindings/http/commons.js

@@ -0,0 +1,13 @@
+function sanity_and_clone(headers) {
+  var sanity_headers = JSON.parse(JSON.stringify(headers));
+
+  for(header in sanity_headers){
+    sanity_headers[header.toLowerCase()] = sanity_headers[header];
+  }
+
+  return sanity_headers;
+}
+
+module.exports = {
+  sanity_and_clone : sanity_and_clone
+};