ClassName Library
===============
Better classname tool, especially more make sense for reactjs that change all first parameters to pure class string.
* GIT
* https://github.com/react-atomic/react-atomic-organism/tree/master/packages/lib/class-lib
* NPM
* https://npm.im/class-lib
Functions
$3
* Ex: rawClass = "a b c"
* hasClass(rawClass, "d") // return false
* hasClass(rawClass, "a") // return true
$3
* Ex: rawClass = "a b c"
* removeClass(rawClass, "a"); // return "b c"
$3
* Ex. rawClass = "a b c"
* mixClass(rawClass, "d"); // return "a b c d"
* mixClass(rawClass, "d", "e"); // return "a b c d e"
* mixClass(rawClass, {d: false, e: true}); // return "a b c e"
$3
* Ex. rawClass = "a b c"
* toggleClass(rawClass, "d"); //return "a b c d"
* toggleClass(rawClass, "c"); //return "a b"