use new cryptohash unified API

* remove base16-bytestring dependency
* depend on cryptohash >= 0.8 && < 0.10

Conflicts:
	src/Diagrams/Builder.hs
Bump version to 0.3.0.1
Release notes for 0.3.0.1
(cherry picked from commit 48513ef95b15f92871cf717f79546dd8bf17f3ef)