Made use of PSR-4

Author: lazychaser

composer.json

@@ -22,7 +22,7 @@
     },
 
     "autoload": {
-        "psr-0": { "Kalnoy\\Nestedset": "src/" }
+        "psr-4": { "Kalnoy\\Nestedset\\": "src/" }
     },
 
     "minimum-stability": "stable"

src/Kalnoy/Nestedset/Collection.php renamed to src/Collection.php

@@ -1,4 +1,6 @@
-<?php namespace Kalnoy\Nestedset;
+<?php
+
+namespace Kalnoy\Nestedset;
 
 use \Illuminate\Database\Eloquent\Collection as BaseCollection;
 

src/Kalnoy/Nestedset/NestedSet.php renamed to src/NestedSet.php

@@ -146,6 +146,8 @@ public function testRecievesValidValuesWhenPrependedTo()
         $this->assertEquals(array($root->_lft + 1, $root->_lft + 2, $root->id), $this->nodeValues($node));
         $this->assertTreeNotBroken();
         $this->assertTrue($node->isDescendantOf($root));
+        $this->assertTrue($root->isAncestorOf($node));
+        $this->assertTrue($node->isChildOf($root));
     }
 
     public function testRecievesValidValuesWhenInsertedAfter()
@@ -158,6 +160,7 @@ public function testRecievesValidValuesWhenInsertedAfter()
         $this->assertEquals(array($target->_rgt + 1, $target->_rgt + 2, $target->parent->id), $this->nodeValues($node));
         $this->assertTreeNotBroken();
         $this->assertFalse($node->isDirty());
+        $this->assertTrue($node->isSiblingOf($target));
     }
 
     public function testRecievesValidValuesWhenInsertedBefore()