redding/scmd — pull request #8 by kellyredding (2012-11-07 13:50:25+00:00)
Title: using 'posix-spawn' instead of 'open4'

This provides fast, constant spawn times across a variety of platforms.
Also, it works natively in jruby (TODO: test it!), so no ENGINE constant
hacking needed.

Addresses #2.
Addresses #5.