Clojure 1.10 compatible

honor configuration passed as argument

hard-coded settings were left active ignoring configurations

changed default salt for hashid

this will bring consistency of results between the webapp on
secrets.dyne.org and the locally runned desktop apps. the default salt
is a randomly generated string that has no real cryptographic value
since only hashid is using it.

enhanced generate to support one or two args

added generate public function using crypto_random

allows the generation of variable length passwords encoded in various
ways.