Adds better case handling to feeds xls. Probably should make an issue on drupal.org...

growshare_feeds_xls_case.patch

diff --git a/FeedsExcelParser.inc b/FeedsExcelParser.inc
index 3a0e5da..29d66c0 100644
--- a/FeedsExcelParser.inc
+++ b/FeedsExcelParser.inc
@@ -102,7 +102,7 @@ class FeedsExcelParser extends FeedsParser{
       $cellIterator->setIterateOnlyExistingCells(false); // Loop all cells, even if it is not set
       foreach($cellIterator as $cell){
         if(!is_null($cell)){
-          $headers[] = trim($cell->getCalculatedValue());
+          $headers[] = trim(drupal_strtolower($cell->getCalculatedValue()));
         }
       }
       break;
@@ -213,6 +213,15 @@ class FeedsExcelParser extends FeedsParser{
     return FALSE;
   }
 
+  
+  /**
+   * Hack copied From FeedsCSVParser.inc 
+   * Override parent::getSourceElement() to use only lower keys.
+   */
+  public function getSourceElement(FeedsSource $source, FeedsParserResult $result, $element_key) {
+    return parent::getSourceElement($source, $result, drupal_strtolower($element_key));
+  }
+  
   /**
    * Source form.
    *
@@ -257,4 +266,4 @@ class FeedsExcelParser extends FeedsParser{
     );
     return $form;
   }
-}
\ No newline at end of file
+}