that details some problems with ob-clojure.el and ob-sh.el.
In particular, there are a few problems with :results verbatim/scalar and :results output for the two modes.
M-x org-version returns: Org-mode version 7.5 (release_7.5.516.gf06e.dirty)
I hope that this will be helpful to someone in squashing some bugs. If there are any questions please email me. I'd love to help in any way I can to make org-mode even better.