diff --git a/README.md b/README.md
index 51406fd..3b97665 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
-[![Build Status](https://travis-ci.org/voryx/WampPost.svg?branch=master)](https://travis-ci.org/voryx/WampPost)
+[![Build Status](https://travis-ci.org/nepda/WampPost.svg?branch=master)](https://travis-ci.org/nepda/WampPost)
 WampPost
 ===========
 
 WampPost is a [WAMP v2](http://wamp.ws/) (Web Application Messaging Protocol) Client built with 
-[Thruway](https://github.com/voryx/Thruway) that allows publishing events and making RPC calls to a realm via HTTP Post.
+[Thruway](https://github.com/nepda/Thruway) that allows publishing events and making RPC calls to a realm via HTTP Post.
 
 WampPost is designed to be compatible with the [crossbar HTTP pusher service](http://crossbar.io/docs/HTTP-Pusher-Service/).
  
@@ -29,11 +29,11 @@ Download Composer [more info](https://getcomposer.org/doc/00-intro.md#downloadin
       
 Download WampPost and dependencies
 
-      $ php composer.phar require "voryx/wamppost":"dev-master"
+      $ php composer.phar require "nepda/wamppost":"dev-master"
 
 If you need a WAMP router to test with, then start the sample with:
 
-      $ php vendor/voryx/thruway/Examples/SimpleWsServer.php
+      $ php vendor/nepda/thruway/Examples/SimpleWsServer.php
     
 Thruway is now running on 127.0.0.1 port 9090.
 
diff --git a/composer.json b/composer.json
index 0b1f094..fb87d9a 100644
--- a/composer.json
+++ b/composer.json
@@ -1,36 +1,39 @@
 {
-    "name": "voryx/wamppost",
-    "description": "HTTP to WAMP Publishing Proxy",
-    "keywords": [
-        "WebSockets",
-        "PubSub",
-        "Publish",
-        "WAMP",
-        "WAMP2",
-        "HTTP",
-        "Proxy"
-    ],
-    "license": "MIT",
-    "authors": [
-        {
-            "name": "Matt Bonneau", "email": "matt@bonneau.net", "role": "Developer"
-        },
-
-        {
-            "name": "David Dan", "email": "davidwdan@gmail.com", "role": "Developer"
-        }
-    ],
-    "autoload": {
-        "psr-0": {
-            "WampPost": "src"
-        }
+  "name": "nepda/wamppost",
+  "description": "HTTP to WAMP Publishing Proxy",
+  "keywords": [
+    "WebSockets",
+    "PubSub",
+    "Publish",
+    "WAMP",
+    "WAMP2",
+    "HTTP",
+    "Proxy"
+  ],
+  "license": "MIT",
+  "authors": [
+    {
+      "name": "Matt Bonneau",
+      "email": "matt@bonneau.net",
+      "role": "Developer"
     },
-    "require": {
-        "react/http": "~0.4",
-        "voryx/thruway": "~0.3|~0.4"
-    },
-    "require-dev": {
-        "react/http-client": "^0.4.8",
-        "voryx/event-loop": "^0.2.0"
+    {
+      "name": "David Dan",
+      "email": "davidwdan@gmail.com",
+      "role": "Developer"
+    }
+  ],
+  "autoload": {
+    "psr-0": {
+      "WampPost": "src"
     }
+  },
+  "require": {
+    "react/http": "~0.4",
+    "voryx/thruway": "~0.4"
+  },
+  "require-dev": {
+    "react/http-client": "^0.4.8",
+    "voryx/event-loop": "^0.2.0"
+  }
 }
diff --git a/src/WampPost/WampPost.php b/src/WampPost/WampPost.php
index 85c88b3..235e52e 100644
--- a/src/WampPost/WampPost.php
+++ b/src/WampPost/WampPost.php
@@ -20,7 +20,7 @@ class WampPost extends Client {
     private $socket;
     private $http;
 
-    function __construct($realmName, $loop = null, $bindAddress = '127.0.0.1', $port = 8181)
+    public function __construct($realmName, $loop = null, $bindAddress = '127.0.0.1', $port = 8181)
     {
         if ($loop === null) {
             $loop = Factory::create();
@@ -81,25 +81,43 @@ private function handlePublishHttpPost(Request $request, Response $response) {
                 $json = json_decode($body);
 
                 if ($json === null) {
-                    throw new \Exception("JSON decoding failed: " . json_last_error_msg());
+                    $response->writeHead(400, ['Content-Type' => 'text/plain', 'Connection' => 'close']);
+                    $response->end("JSON decoding failed: " . json_last_error_msg());
+                    return;
                 }
 
-                if (isset($json->topic)
-                    && is_scalar($json->topic)
+                if (
+                    isset($json->topic)
                     && isset($json->args)
+                    && Utils::uriIsValid($json->topic)
                     && is_array($json->args)
                     && ($this->getPublisher() !== null)
                 ) {
-                    $json->topic = strtolower($json->topic);
-                    if (!Utils::uriIsValid($json->topic)) {
-                        throw new \Exception("Invalid URI: " . $json->topic);
-                    }
-
                     $argsKw = isset($json->argsKw) && is_object($json->argsKw) ? $json->argsKw : null;
                     $options = isset($json->options) && is_object($json->options) ? $json->options : null;
                     $this->getSession()->publish($json->topic, $json->args, $argsKw, $options);
                 } else {
-                    throw new \Exception("Invalid request: " . json_encode($json));
+                    $errors = [];
+                    if (!isset($json->topic)) {
+                        $errors[] = 'Topic not set';
+                    }
+                    if (!isset($json->args)) {
+                        $errors[] = 'Args not set';
+                    }
+                    if (!is_array($json->args)) {
+                        $errors[] = 'Args is not an array, got ' . gettype($json->args);
+                    }
+                    if (!Utils::uriIsValid($json->topic)) {
+                        $errors[] = 'Topic is not a valid URI';
+                    }
+                    if (!($this->getPublisher() !== null)) {
+                        $errors[] = 'Publisher is not set';
+                    }
+                    $response->writeHead(400, ['Content-Type' => 'text/plain', 'Connection' => 'close']);
+                    $response->end(
+                        "The following errors occurred:" . PHP_EOL . PHP_EOL . implode(PHP_EOL, $errors)
+                    );
+                    return;
                 }
             } catch (\Exception $e) {
                 // should shut down everything
@@ -128,7 +146,7 @@ private function handleCallHttpRequest($request, $response) {
                     $options = isset($json->options) && is_object($json->options) ? $json->options : null;
 
                     $this->getSession()->call($json->procedure, $args, $argsKw, $options)->then(
-                        /** @param CallResult $result */
+                    /** @param CallResult $result */
                         function (CallResult $result) use ($response) {
                             $responseObj          = new \stdClass();
                             $responseObj->result  = "SUCCESS";