Some changes and fixes#1

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loziniak wants to merge 8 commits intobitbegin:masterfrom

loziniak:master

Commits on Mar 28, 2019

fix: hex! type unsupported
loziniak
committed

Commits on Apr 2, 2019

Commits on Feb 7, 2020

FIX: pbkdf2 modified salt
loziniak
committed