fix for not(), it should pass all nodes on no match

Author: Rct567

src/Rct567/DomQuery/DomQuery.php

@@ -564,6 +564,8 @@ public function not($selector)
                             $result->addDomNode($node);
                         }
                     }
+                } else {
+                    $result->addNodes($this->nodes);
                 }
             }
         }

tests/Rct567/DomQuery/Tests/DomQueryTraversingFilterTest.php

@@ -62,6 +62,7 @@ public function testNot()
         $dom = new DomQuery('<a>hai</a> <a></a> <a id="mmm"></a> <a class="x"></a> <a class="xpp"></a>');
         $selection = $dom->find('a');
         $this->assertEquals(5, $selection->length);
+        $this->assertEquals(5, $selection->not('p')->length);
         $this->assertEquals(0, $selection->not('a')->length);
         $this->assertEquals(4, $selection->not('#mmm')->length);
         $this->assertEquals(3, $selection->not('#mmm')->not('.xpp')->length);