Move rax_clb_nodes to rax_clb
Update references for rax_clb_nodes to use rax_clb
Merge pull request #4356 from sivel/rename-rax-clb-nodes

Rename rax_clb_nodes
(docs) result is registered so would be used in the until param of a do-until loop
Merge pull request #4362 from skyl/do-until-typos

(docs) result is registered so would be used in the until param of a do-until loop
Initial work on Mac OS X support - pushing for safekeeping