PBWorks parallelism for PHPUnit, because it's been over four years since PHPUnit promised to support parallelism natively and I'm impatient
This is a history of my playing with PBWorks's OMGUnit (awesome name), to get a feel for how it works. It's only around now for historical purposes. I took what I learned here with me to PHPUnit itself. See that work in github.com/saucelabs/phpunit