Results 3 issues of ludwik

Hi. I'd like to do something like this: ``` clj (defjob NoOpJob [ctx] (println "Does nothing")) (defn -main [& m] (qs/initialize) (qs/start) (let [job1 (j/build (j/of-type NoOpJob) (j/with-identity (j/key "jobs.noop.1")))...

feature request: consider a plain concurrency limit (so eg: max burst of 1000 but at most 50 at a time). Really like this library btw, good job!

Hello. I'm trying to find a view creation example for the java API, but failing... Hopefully you'll consider adding view creation to your library. Many thanks! L