Doc Block changes

git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@88175 2327b42d-5241-43d6-9e2a-de5ac946f064

Classes/PHPExcel/CachedObjectStorage/MemorySerialized.php

@@ -35,6 +35,13 @@
  */
 class PHPExcel_CachedObjectStorage_MemorySerialized extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache {
 
+    /**
+     * Store cell data in cache for the current cell object if it's "dirty",
+     *     and the 'nullify' the current cell object
+     *
+	 * @return	void
+     * @throws	Exception
+     */
 	private function _storeData() {
 		if ($this->_currentCellIsDirty) {
 			$this->_currentObject->detach();
@@ -97,6 +104,11 @@ class PHPExcel_CachedObjectStorage_MemorySerialized extends PHPExcel_CachedObjec
 	}	//	function getCacheData()
 
 
+	/**
+	 * Clear the cell collection and disconnect from our parent
+	 *
+	 * @return	void
+	 */
 	public function unsetWorksheetCells() {
 		if(!is_null($this->_currentObject)) {
 			$this->_currentObject->detach();