To do:
* RC4 add libfcrypto_rc4_crypt_cbc functions
* Add support for cast5
* Add support for cast6
* Add support for blowfish
* Add support for Anubis
* Add support for reversed Serpent
* Add support for Twofish

20170901
* see `git log' for more recent change log
* Created stand-alone version from libfguid and assorted code

