Crazy attempt at not using hardcoded fds 3 and 4 anymore
Use RQ_READ and RQ_WRITE instead of hardcoded FDs 3 and 4.
RQ_PIPE is deprecated but retained for some backwards compatibility.
Friendlier install script output
Style and whitespace
Use Fiddle instead of DL for Ruby 2.0
Handle Ruby 2.0 defaults to CLOEXEC descriptors
Remove atrophied commented out code