use test/harness as helper dir if present
Clean up run.js with highland and stream-bifurcate dependency
Better factoring of batch mode runners

They all will share a similar structure, and I think this design
will work for any hosts that 1) have some mechanism to return the
global of the new environment and 2) some mechanism to evaluate a
test in that env
Add index, export runners
Fix file cleanup for console runner
Add useConfig and a config flag
Allow setting batch configuration via useConfig
Call end on runner instances when everything is done
Add an out-of-proc runner for node
Update README.md
validateResult no longer takes a stdout stream
v1.1.0
Global install isn't working properly yet; update readme
Remove excess backtick in readme
Fix value of pass attribute for negative tests
Fix package.json
Display error stack if available in simple reporter
Don't use process.fork since node runner may target node with different command line
Update README.md
Throw a real error