diff --git a/.gitignore b/.gitignore
index 1bc915c..d2a04a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
+## Ignore Composer 
+vendor
+*.lock
+*.phar
+
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 
diff --git a/Application.Insights.phpproj b/Application.Insights.phpproj
index 1b1684c..dbc0bba 100644
--- a/Application.Insights.phpproj
+++ b/Application.Insights.phpproj
@@ -37,6 +37,11 @@
     <Folder Include="ApplicationInsights\Tests\" />
   </ItemGroup>
   <ItemGroup>
+    <Content Include=".gitattributes" />
+    <Content Include=".gitignore" />
+    <Content Include="composer.json" />
+    <Content Include="LICENSE" />
     <Content Include="phpunit.xml" />
+    <Content Include="README.md" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/Application.Insights.sln b/Application.Insights.sln
index d32baeb..15c16dd 100644
--- a/Application.Insights.sln
+++ b/Application.Insights.sln
@@ -5,14 +5,6 @@ VisualStudioVersion = 12.0.30723.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{A0786B88-2ADB-4C21-ABE8-AA2D79766269}") = "Application.Insights", "Application.Insights.phpproj", "{6C54EAC1-21B0-4DBE-A7C8-59E4A4F81316}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{BD4B101A-09FF-434E-800B-A9F17513944B}"
-	ProjectSection(SolutionItems) = preProject
-		..\.gitattributes = ..\.gitattributes
-		..\.gitignore = ..\.gitignore
-		..\LICENSE = ..\LICENSE
-		..\README.md = ..\README.md
-	EndProjectSection
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
diff --git a/ApplicationInsights/ApplicationInsights.php b/ApplicationInsights/ApplicationInsights.php
index 52dac92..4419d0f 100644
--- a/ApplicationInsights/ApplicationInsights.php
+++ b/ApplicationInsights/ApplicationInsights.php
@@ -1,13 +1,5 @@
 <?php
-namespace ApplicationInsights;
 
-/**
- * Handles loading of classes needed for ApplicationInsights SDK.
- * @param string $pClassName 
- */
-function autoLoadClasses($pClassName) {
-    include($pClassName . ".php");
-}
-spl_autoload_register("ApplicationInsights\autoLoadClasses");
+require 'vendor/autoload.php';
 
 ?>
\ No newline at end of file
diff --git a/ApplicationInsights/Channel/Contracts/Data.php b/ApplicationInsights/Channel/Contracts/Data.php
index 8c9d17b..7561a35 100644
--- a/ApplicationInsights/Channel/Contracts/Data.php
+++ b/ApplicationInsights/Channel/Contracts/Data.php
@@ -11,6 +11,14 @@ class Data implements \JsonSerializable
     */
     private $_data;
 
+    /**
+    * Creates a new Data. 
+    */
+    function __construct()
+    {
+        $this->_data['baseData'] = NULL;
+    }
+
     /**
     * Gets the baseType field. 
     */
diff --git a/ApplicationInsights/Channel/Contracts/Device.php b/ApplicationInsights/Channel/Contracts/Device.php
index 978db9c..f5afc21 100644
--- a/ApplicationInsights/Channel/Contracts/Device.php
+++ b/ApplicationInsights/Channel/Contracts/Device.php
@@ -11,6 +11,13 @@ class Device implements \JsonSerializable
     */
     private $_data;
 
+    /**
+    * Creates a new Device. 
+    */
+    function __construct()
+    {
+    }
+
     /**
     * Gets the id field. 
     */
diff --git a/ApplicationInsights/Channel/Contracts/Envelope.php b/ApplicationInsights/Channel/Contracts/Envelope.php
index 233b3f9..4d714eb 100644
--- a/ApplicationInsights/Channel/Contracts/Envelope.php
+++ b/ApplicationInsights/Channel/Contracts/Envelope.php
@@ -11,6 +11,17 @@ class Envelope implements \JsonSerializable
     */
     private $_data;
 
+    /**
+    * Creates a new Envelope. 
+    */
+    function __construct()
+    {
+        $this->_data['ver'] = 1;
+        $this->_data['name'] = NULL;
+        $this->_data['time'] = NULL;
+        $this->_data['sampleRate'] = 100.0;
+    }
+
     /**
     * Gets the ver field. 
     */
diff --git a/ApplicationInsights/Channel/Contracts/EventData.php b/ApplicationInsights/Channel/Contracts/EventData.php
index a54210e..03d050d 100644
--- a/ApplicationInsights/Channel/Contracts/EventData.php
+++ b/ApplicationInsights/Channel/Contracts/EventData.php
@@ -28,6 +28,8 @@ class EventData implements \JsonSerializable
     {
         $this->_envelope_type_name = 'Microsoft.ApplicationInsights.Event';
         $this->_data_type_name = 'EventData';
+        $this->_data['ver'] = 2;
+        $this->_data['name'] = NULL;
     }
 
     /**
diff --git a/ApplicationInsights/Channel/TelemetryChannel.php b/ApplicationInsights/Channel/TelemetryChannel.php
index 5fe4430..2a55699 100644
--- a/ApplicationInsights/Channel/TelemetryChannel.php
+++ b/ApplicationInsights/Channel/TelemetryChannel.php
@@ -33,6 +33,7 @@ class TelemetryChannel
         }
         
         $envelope = new Contracts\Envelope();
+        $envelope->set_ver(2);
         $envelope->set_name($data->get_envelope_type_name());
         $envelope->set_time(gmdate('c') . 'Z');
         $envelope->set_ikey('f22d426f-57e2-47c3-9668-c58013a26eb4');
diff --git a/ApplicationInsights/Channel/TelemetrySender.php b/ApplicationInsights/Channel/TelemetrySender.php
index 6241206..cb4a225 100644
--- a/ApplicationInsights/Channel/TelemetrySender.php
+++ b/ApplicationInsights/Channel/TelemetrySender.php
@@ -18,12 +18,6 @@ class TelemetrySender
      */
     private $_queue;
     
-    /**
-     * When set, instead of sending the data to the endpoint, the class will send the data it would have sent to this callback.
-     * @var callable
-     */
-    private $_verificationCallback;
-
     /**
      * Initializes a new TelemetrySender.
      * @param string $endpointURL Optional. Allows caller to override which endpoint to send data to.
@@ -32,7 +26,6 @@ class TelemetrySender
     function __construct($endpointURL = 'http://dc.services.visualstudio.com/v2/track')
     {
         $this->_endpointURL = $endpointURL;
-        $this->_verificationCallback = NULL;
         $this->_queue = [];
     }
     
@@ -54,23 +47,6 @@ class TelemetrySender
         $this->_endpointURL = $endpointURL;
     }
     
-    /**
-     * If set, returns the callback to use for verification; otherwise NULL.
-     * @return callable
-     */
-    public function getVerificationCallback()
-    {
-        return $this->_verificationCallback;
-    }
-    
-    /**
-     * Sets the callback to use for verification.
-     * @param string $verificationCallback
-     */
-    public function setVerificationCallback($verificationCallback)
-    {
-        return $this->_verificationCallback = $verificationCallback;
-    }
     
     /**
      * Returns the current queue. 
@@ -88,6 +64,15 @@ class TelemetrySender
     public function send($telemetryItem)
     {
         $serializedTelemetryItem = json_encode($telemetryItem);
+        
+        $client = new \GuzzleHttp\Client();
+        
+        $response = $client->post($this->_endpointURL, [
+            'headers'         => ['Accept' => 'application/json', 
+                                  'Content-Type' => 'application/json; charset=utf-8'],
+            'body'            => utf8_encode($serializedTelemetryItem),
+            'proxy'           => '127.0.0.1:8888'
+        ]);
     }
         
 }
diff --git a/ApplicationInsights/Tests/TelemetryClientTest.php b/ApplicationInsights/Tests/TelemetryClientTest.php
index 7d931d2..8a4ad53 100644
--- a/ApplicationInsights/Tests/TelemetryClientTest.php
+++ b/ApplicationInsights/Tests/TelemetryClientTest.php
@@ -7,13 +7,6 @@ use ApplicationInsights\TelemetryClient;
  */
 class TelemetryClientTest extends \PHPUnit_Framework_TestCase
 {
-    /**
-     * Verifies the object is constructed properly.
-     */
-    public function testConstructor()
-    {
-    }
-    
     public function testCurrent()
     {
         $telemetryClient = new TelemetryClient();
diff --git a/ApplicationInsights/Tests/TelemetrySenderTest.php b/ApplicationInsights/Tests/TelemetrySenderTest.php
index fc4b6d7..d34fa9d 100644
--- a/ApplicationInsights/Tests/TelemetrySenderTest.php
+++ b/ApplicationInsights/Tests/TelemetrySenderTest.php
@@ -11,7 +11,7 @@ class TelemetrySenderTest extends \PHPUnit_Framework_TestCase
     /**
      * Verifies the object is constructed properly.
      */
-    public function testConstructor()
+    public function test_constructor()
     {
         $telemetrySender = new TelemetrySender();
         $this->assertEquals($telemetrySender->getEndpointURL(), 'http://dc.services.visualstudio.com/v2/track', 'Default Endpoint URL is incorrect.');
@@ -19,17 +19,11 @@ class TelemetrySenderTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals($telemetrySender->getVerificationCallback(), NULL, 'Callback should be NULL by default.');
     }
     
-    public function telemetrySenderCallback($encodedItem)
-    {
-        echo $encodedItem;
-    }
-    
     public function testCurrent()
     {
         $envelope = new Envelope();
         $envelope->setIKey('f22d426f-57e2-47c3-9668-c58013a26eb4');
         $telemetrySender = new TelemetrySender();
-        $telemetrySender->setVerificationCallback(array($this, 'telemetrySenderCallback'));
         $telemetrySender->send($envelope);
     }
 }
diff --git a/phpunit.xml b/phpunit.xml
index 15e409d..5175240 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -20,5 +20,5 @@
   timeoutForMediumTests="10"
   timeoutForLargeTests="60"
   strict="false"
-  verbose="false"
+  verbose="true"
   <!-- ... --></phpunit>
\ No newline at end of file