Updated incorrect namespace

Matt Edmonston · web-flow · commit 2460968e5079 · 2016-08-31T16:33:09.000+01:00
diff --git a/src/ArrayToXml.php b/src/ArrayToXml.php
@@ -1,5 +1,5 @@
 <?php
-namespace xero;
+namespace slightlydiff\xero;
 
 class ArrayToXML {
     /**
