Fix #344 Raise errors on IdPMetadataParser::parseRemoteXML and IdPMetadataParser::parseFileXML

Author: pitbulk

lib/Saml2/IdPMetadataParser.php

@@ -40,6 +40,7 @@ public static function parseRemoteXML($url, $entityId = null, $desiredNameIdForm
                 throw new Exception(curl_error($ch), curl_errno($ch));
             }
         } catch (Exception $e) {
+            throw new Exception('Error on parseRemoteXML. '.$e->getMessage());
         }
         return $metadataInfo;
     }
@@ -68,6 +69,7 @@ public static function parseFileXML($filepath, $entityId = null, $desiredNameIdF
                 $metadataInfo = self::parseXML($data, $entityId, $desiredNameIdFormat, $desiredSSOBinding, $desiredSLOBinding);
             }
         } catch (Exception $e) {
+            throw new Exception('Error on parseFileXML. '.$e->getMessage());
         }
         return $metadataInfo;
     }