Update README.md
add toNumber tests
testing number conversion to null instead of NaN
cast toInteger and toNumber to null instead of NaN because you can still do math with null
v0.0.10
Merge pull request #13 from mrDarcyMurphy/toInt

Cast numbers to null rather than NaN
add grunt deps
add Gruntfile
first pass at minification
checked in minified lib
add a cheeky html test
Merge pull request #14 from mrDarcyMurphy/grunt

Grunt
Merge branch 'master' into primitives