Changes in write_xlsx-0.85.6 vs Changes in write_xlsx-0.85.7

@@ -1,6 +1,9 @@
 Change history of write_xlsx rubygem.
 
[phone] v0.85.7
+   apply pull-request #26
+
 2019-02-10 v0.85.6
    Fix work well in ms windows.
 
 2018-04-29 v0.85.5
    Added option to store hyperlink strings as string (strings_as_urls: false).