Factored out with-java-out-str, introducing with-out-str-not-threadsafe
Factored out with-java-out-str, introducing with-out-str-not-threadsafe

remotty/cdr,xcthulhu/codewars-runner,remotty/cdr,remotty/cdr,remotty/cdr,xcthulhu/codewars-runner,xcthulhu/codewars-runner,xcthulhu/codewars-runner,remotty/cdr,remotty/cdr,xcthulhu/codewars-runner,remotty/cdr