Start of a ruby style guide
I hate block_given
Updates from review.
Merge pull request #418 from jstepien/process-status

Process::Status
tag 4 more specs
Merge remote-tracking branch 'origin/master' into process-wait-et-al
simplify code, move more to pure ruby
these are controversial, skip 'em
Merge branch 'style-guide'
fix link
style guide fixes
Merge remote-tracking branch 'origin/master' into process-wait-and-exit-specs
Move Process.waitall to Ruby