Cleaning and adding comments to RootNode

src/Structr/Tree/RootNode.php

@@ -4,14 +4,29 @@
 
 class RootNode extends Base\PrototypeNode
 {
-    /** @var mixed Value to Structrize */
+    /**
+     * @var mixed Value to Structrize
+     */
     private $_value;
 
-    public function __construct($value) {
+    /**
+     * Create a new root node
+     * 
+     * @param type $value Default value to check. Can be overriden by supplying
+     *     a value to the run() method of \Sturctr\Tree\Node::run() if needed
+     */
+    public function __construct($value)
+    {
         $this->_value = $value;
     }
 
-    public function getValue() {
+    /**
+     * Get the default value to check
+     * 
+     * @return type The default value to check, supplied at object create time
+     */
+    public function getValue()
+    {
         return $this->_value;
     }
 }