* (Internal) Determines if an element or space separated list of class names contains a class name.

* (Internal) Removes a class from an element.

* (Internal) Removes an element from the DOM.

* Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a precedes b, greater

* (Internal) returns the correct CSS for changing the bar's * position given an n percentage, and speed and ease from Settings

* Returns a function to use in pseudos for buttons * @param {String} type

* Returns a function to use in pseudos for input types * @param {String} type