Fix bug of static properties in PhpGenerator - doesn't print static state.

Author: frosty22

src/PhpGenerator/ClassType.php

@@ -121,7 +121,7 @@ public function __toString()
 		$properties = array();
 		foreach ($this->properties as $property) {
 			$properties[] = ($property->documents ? str_replace("\n", "\n * ", "/**\n" . implode("\n", (array) $property->documents)) . "\n */\n" : '')
-				. $property->visibility . ' $' . $property->name
+				. $property->visibility . ($property->static ? ' static' : '') . ' $' . $property->name
 				. ($property->value === NULL ? '' : ' = ' . Helpers::dump($property->value))
 				. ";\n";
 		}

tests/PhpGenerator/PhpGenerator.class.expect

@@ -20,7 +20,7 @@ abstract final class Example extends ParentClass implements IExample, IOne
 
 	public $order = RecursiveIteratorIterator::SELF_FIRST;
 
-	public $sections = array(
+	public static $sections = array(
 		'first' => TRUE,
 	);