diff --git a/src/lib/Server.js b/src/lib/Server.js
index 39198532..8f46de8f 100644
--- a/src/lib/Server.js
+++ b/src/lib/Server.js
@@ -70,8 +70,7 @@ module.exports = class Server {
         }
 
         ctx.session.authenticated = true;
-
-        ctx.status = 204;
+        ctx.session.save();
 
         debug(`New Session: ${ctx.session.id}`);
       })
diff --git a/src/lib/Util.js b/src/lib/Util.js
index a39d7769..cc6e89c2 100644
--- a/src/lib/Util.js
+++ b/src/lib/Util.js
@@ -17,6 +17,41 @@ module.exports = class Util {
     return true;
   }
 
+  static promisify(fn) {
+    // eslint-disable-next-line func-names
+    return function(req, res) {
+      Promise.resolve().then(async () => fn(req, res))
+        .then((result) => {
+          if (res.headersSent) return;
+
+          if (typeof result === 'undefined') {
+            return res
+              .status(204)
+              .end();
+          }
+
+          return res
+            .status(200)
+            .json(result);
+        })
+        .catch((error) => {
+          if (typeof error === 'string') {
+            error = new Error(error);
+          }
+
+          // eslint-disable-next-line no-console
+          console.error(error);
+
+          return res
+            .status(error.statusCode || 500)
+            .json({
+              error: error.message || error.toString(),
+              stack: error.stack,
+            });
+        });
+    };
+  }
+
   static async exec(cmd, {
     log = true,
   } = {}) {