HdWallet

HdWallet is used at run time in 4 crates (of which 4 optionally).

Depender (with downloads and own rev deps)			HdWallet version
500	3	key-share	optional	^0.6
410	2	cggmp21-keygen	optional	^0.6
320		cggmp21	optional	^0.6
300		givre	optional	^0.6