Change PIN

[Ovomaltine85]

Its not a real critical feature, but it would be nice if future versions provide the possibility to change the USER-PIN of a token. Thank you!

[amin1best]

Hi,
Changing User and SO PINs is great. In this regard, there are #110 , #161. Is it not possible to increase its priority?
thanks.

@mathiasertl , @kislyuk