diff --git a/Classes/PHPExcel/CachedObjectStorage/APC.php b/Classes/PHPExcel/CachedObjectStorage/APC.php
index fca364a..e7c4919 100644
--- a/Classes/PHPExcel/CachedObjectStorage/APC.php
+++ b/Classes/PHPExcel/CachedObjectStorage/APC.php
@@ -38,6 +38,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
 	/**
 	 * Prefix used to uniquely identify cache data for this worksheet
 	 *
+	 * @access	private
 	 * @var string
 	 */
 	private $_cachePrefix = null;
@@ -45,6 +46,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
 	/**
 	 * Cache timeout
 	 *
+	 * @access	private
 	 * @var integer
 	 */
 	private $_cacheTime = 600;
@@ -54,6 +56,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
      * Store cell data in cache for the current cell object if it's "dirty",
      *     and the 'nullify' the current cell object
      *
+	 * @access	private
 	 * @return	void
      * @throws	Exception
      */
@@ -74,6 +77,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
     /**
      * Add or Update a cell in cache identified by coordinate address
      *
+	 * @access	public
      * @param	string			$pCoord		Coordinate address of the cell to update
      * @param	PHPExcel_Cell	$cell		Cell to update
 	 * @return	void
@@ -96,6 +100,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
 	/**
 	 * Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell?
 	 *
+	 * @access	public
 	 * @param	string		$pCoord		Coordinate address of the cell to check
 	 * @return	void
 	 * @return	boolean
@@ -122,6 +127,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
     /**
      * Get cell at a specific coordinate
      *
+	 * @access	public
      * @param 	string 			$pCoord		Coordinate of the cell
      * @throws 	Exception
      * @return 	PHPExcel_Cell 	Cell that was found, or null if not found
@@ -159,6 +165,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
     /**
      * Delete a cell in cache identified by coordinate address
      *
+	 * @access	public
      * @param	string			$pCoord		Coordinate address of the cell to delete
      * @throws	Exception
      */
@@ -174,6 +181,7 @@ class PHPExcel_CachedObjectStorage_APC extends PHPExcel_CachedObjectStorage_Cach
 	/**
 	 * Clone the cell collection
 	 *
+	 * @access	public
 	 * @param	PHPExcel_Worksheet	$parent		The new worksheet
 	 * @return	void
 	 */
diff --git a/Classes/PHPExcel/Chart.php b/Classes/PHPExcel/Chart.php
index b9c9655..d7d6581 100644
--- a/Classes/PHPExcel/Chart.php
+++ b/Classes/PHPExcel/Chart.php
@@ -448,7 +448,7 @@ class PHPExcel_Chart
 
 	public function refresh() {
 		if ($this->_worksheet !== NULL) {
-			$this->$_plotArea->refresh($this->_worksheet);
+			$this->_plotArea->refresh($this->_worksheet);
 		}
 	}
 
diff --git a/Classes/PHPExcel/Reader/OOCalc.php b/Classes/PHPExcel/Reader/OOCalc.php
index 8be2559..3cc057a 100644
--- a/Classes/PHPExcel/Reader/OOCalc.php
+++ b/Classes/PHPExcel/Reader/OOCalc.php
@@ -626,18 +626,25 @@ class PHPExcel_Reader_OOCalc implements PHPExcel_Reader_IReader
 //										echo 'Adjusted Formula: '.$cellDataFormula.'<br />';
 									}
 
+									$repeats = (isset($cellDataTableAttributes['number-columns-repeated'])) ?
+										$cellDataTableAttributes['number-columns-repeated'] : 1;
 									if ($type !== NULL) {
-										$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $dataValue),$type);
-										if ($hasCalculatedValue) {
-//											echo 'Forumla result is '.$dataValue.'<br />';
-											$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setCalculatedValue($dataValue);
-										}
-										if (($cellDataOfficeAttributes['value-type'] == 'date') ||
-											($cellDataOfficeAttributes['value-type'] == 'time')) {
-											$objPHPExcel->getActiveSheet()->getStyle($columnID.$rowID)->getNumberFormat()->setFormatCode($formatting);
-										}
-										if ($hyperlink !== NULL) {
-											$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->getHyperlink()->setUrl($hyperlink);
+										for ($i = 0; $i < $repeats; ++$i) {
+											if ($i > 0) {
+												++$columnID;
+											}
+											$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $dataValue),$type);
+											if ($hasCalculatedValue) {
+//												echo 'Forumla result is '.$dataValue.'<br />';
+												$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setCalculatedValue($dataValue);
+											}
+											if (($cellDataOfficeAttributes['value-type'] == 'date') ||
+												($cellDataOfficeAttributes['value-type'] == 'time')) {
+												$objPHPExcel->getActiveSheet()->getStyle($columnID.$rowID)->getNumberFormat()->setFormatCode($formatting);
+											}
+											if ($hyperlink !== NULL) {
+												$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->getHyperlink()->setUrl($hyperlink);
+											}
 										}
 									}
 
@@ -655,25 +662,6 @@ class PHPExcel_Reader_OOCalc implements PHPExcel_Reader_IReader
 										$objPHPExcel->getActiveSheet()->mergeCells($cellRange);
 									}
 
-									if (isset($cellDataTableAttributes['number-columns-repeated'])) {
-//										echo 'Repeated '.$cellDataTableAttributes['number-columns-repeated'].' times<br />';
-										$columnID = PHPExcel_Cell::stringFromColumnIndex(PHPExcel_Cell::columnIndexFromString($columnID) + $cellDataTableAttributes['number-columns-repeated'] - 2);
-
-										if ($type !== NULL) {
-											$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $dataValue),$type);
-											if ($hasCalculatedValue) {
-//												echo 'Forumla result is '.$dataValue.'<br />';
-												$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setCalculatedValue($dataValue);
-											}
-											if (($cellDataOfficeAttributes['value-type'] == 'date') ||
-												($cellDataOfficeAttributes['value-type'] == 'time')) {
-												$objPHPExcel->getActiveSheet()->getStyle($columnID.$rowID)->getNumberFormat()->setFormatCode($formatting);
-											}
-											if ($hyperlink !== NULL) {
-												$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->getHyperlink()->setUrl($hyperlink);
-											}
-										}
-									}
 									++$columnID;
 								}
 								++$rowID;
diff --git a/Classes/PHPExcel/Writer/Excel2007/Chart.php b/Classes/PHPExcel/Writer/Excel2007/Chart.php
index 4319a98..d27c7af 100644
--- a/Classes/PHPExcel/Writer/Excel2007/Chart.php
+++ b/Classes/PHPExcel/Writer/Excel2007/Chart.php
@@ -136,7 +136,7 @@ class PHPExcel_Writer_Excel2007_Chart extends PHPExcel_Writer_Excel2007_WriterPa
 					$objWriter->startElement('a:p');
 
 						$caption = $title->getCaption();
-						if (is_array($caption))
+						if ((is_array($caption)) && (count($caption) > 0))
 							$caption = $caption[0];
 						$this->getParentWriter()->getWriterPart('stringtable')->writeRichTextForCharts($objWriter, $caption, 'a');