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 v0.4.1 in 53 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Test
passed #57762
test

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