ODS Reader

Spout can now read ODS files.
It's on par with the XLSX reader. The only difference is that the row iterator cannot be rewound.
It supports the different output formats from LibreOffice and Excel, skipping extra rows/cells if needed.

src/Spout/Reader/ReaderFactory.php

@@ -33,6 +33,9 @@ class ReaderFactory
             case Type::XLSX:
                 $reader = new XLSX\Reader();
                 break;
+            case Type::ODS:
+                $reader = new ODS\Reader();
+                break;
             default:
                 throw new UnsupportedTypeException('No readers supporting the given type: ' . $readerType);
         }