Cleanup in src/, adding namespaces, removing php closing tag and general code cleanup

src/Numerics/Vector.php

@@ -0,0 +1,14 @@
+<?php namespace Moserware\Skills\Numerics;
+
+class Vector extends Matrix
+{
+    public function __construct(array $vectorValues)
+    {
+        $columnValues = array();
+        foreach($vectorValues as $currentVectorValue)
+        {
+            $columnValues[] = array($currentVectorValue);
+        }
+        parent::__construct(count($vectorValues), 1, $columnValues);
+    }
+}