First pass at implementing a Grunt-based build system.
Merge pull request #43 from joshuacc/build

Grunt-based build system
Added common operators in util.operators
added equality operators, some may be redundant since underscore supports deep equality.
Merge pull request #44 from evilhackerdude/master

Don't use variable inside of require in index.js
Merge pull request #45 from eborden/util.operators

Util.operators
Added bitwise operators as well as ! under the guise of phalse, not sure about that name.
renamed bitwise operators
added some tests with failing placeholders, more to come.
Fixed index.js conflict