Changes in write_xlsx-0.81.1 vs Changes in write_xlsx-0.83.0

@@ -1,5 +1,25 @@
 Change history of write_xlsx rubygem.
[phone] v0.83.0
+   Added option to combine two different chart types. For example to
+   create a Pareto chart.
+
[phone] v0.82.0
+   Added extra documentation on how to handle VBA macros and added
+   automatic and manual setting of workbook and worksheet VBA codenames.
+
+   Fix for set_start_page() for values > 1.
+
+   Fix to copy user defined chart properties, such as trendlines,
+   so that they aren't overwritten.
+
+   Added column funtion_value option to add_table to allow
+   function value to be set.
+
+   Allow explicit text categories in charts.
+
+   Fix for column/bar gap/overlap on y2 axis.
+
 2014-12-28 v0.81.1
    use test-unit gem instead of test/unit.
 
 2014-12-04 v0.81.0
    Add chart axis line and fill properties.