update 1.0.8.0

Commits for version update

vendor/maatwebsite/excel/docs/import/convert.md

@@ -0,0 +1,9 @@
+# Converting
+
+You can convert from one filetype to another by using `->convert()`
+
+    Excel::load('file.csv', function($file) {
+
+        // modify stuff
+
+    })->convert('xls');