Added tests for $not operation
simple case working
Adding more complex test
Added tests for $regex operator
code cleanup
code cleanup
updating readme
make sure travis ci fails on test failure
making sure travis ci build fails on jshint errors
adding grunt as a dev dependency
adding grunt-cli for travis build
removing grunt-cli from dependencies
Revert "removing grunt-cli from dependencies"

This reverts commit 05859e6d9ccab5373c0edcc6ecc0bdcb5c5179f9.
fixing fake jshint error