Using clojure.core/or with 20 arguments returns nil

[haywoood]

version

0.3.2

platform

JVM

problem

Using clojure.core/or with 20 arguments fails

repro

(sci/eval-string
 "(or
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  nil
  true)")
;;=> nil

expected behavior

Should return true