onchange:update problem with Ctrl-Z

[MaximPetrichuk]

Hi, Thanks for great framework!

I found one bug when was studying examples: https://bossanova.uk/jexcel/v4/cases/highcharts

I changed value, the graph was rebuilt, then clicked Ctrl-Z, the old value was returned on the sheet cell, but the chart was not rebuilt.

Maxim.

[GBonnaire]

It's not a bug, for make that, you must use onredo event and onundo event

onredo: update,
onundo: update,
onchange: update,