move test.js to test/test_driver.js
fix ref
skip crap tests
add run tests script
use runtests for npm test
get test bits in place for checkJSONExpression
contains is funky and no one uses it.
get some tests
add comparison functions
add .travis.yml
Merge pull request #1 from nomic/feature/comparisons

Add comparison functions (e.g., $gt) and get testing back in business