Release 0.4.1 with updated deps and code improvement

Use latest buddy library and clojure logging versions.
Use defonce on keystore atom to prevent binding of new atom to same symbol.

Signed-off-by: Snorre Magnus Davøen <snorre.davoen@nsd.no>
1 job for master in 55 seconds
Status Job ID Name Coverage
  Test
passed #57761
test

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