0.01_02
		- Make Digest::MultiHash more predictable, so that varying installs
		  will generate the same hashes.
		- Use SHA-512 to hash passphrases into variable width keys
		- Refactor Digest::MoreFallbacks out of Crypt::Util
		- Introduce a SHA* dependency (Digest::SHA, Digest::SHA2, or
		  Digest::SHA::PurePerl will satisfy it)
		- Doc improvements

0.01_01
		- Initial release