Customize Humanization of TimeSpan

[SuperJMN]

I would like that instead of this

• 1 days, 2 hours, 3 minutes

It will produce this

• 1d 2h 3m

That is, to shorten the resulting string. It's for labels in a chart.

Is it possible?

[neilboyd]

See also #571

[hazzik]

Duplicate of #571